How many protons does an atom of Neon (Ne) have?

(a)  

What is the number of protons in a neutral atom of Sodium (Na)?

(a)  

How many protons are found in an atom of Gold (Au)?

(a)  

What is the atomic number for an atom of Iron (Fe)?

(a)  

An atom of Lead (Pb) must have how many protons?

(a)  

What is the number of protons in an atom of Bromine (Br)?

(a)  

How many protons does the element Aluminum (Al) contain?

(a)  

How many protons are in an atom of Oxygen (O)?

(a)  

What is the atomic number of the element Barium (Ba)?

(a)  

How many protons does a single atom of Hydrogen (H) have?

(a)  

What is the atomic number of Magnesium (Mg)?

(a)  

What is the atomic number of Silicon (Si)?

(a)  

What is the atomic number of the element with the symbol Zn?

(a)  

What is the atomic number for an atom of Krypton (Kr)?

(a)  

What is the atomic number of the element Phosphorus (P)?

(a)  

What is the atomic number found on the periodic table for Silver (Ag)?

(a)  

What is the atomic number of the element Cobalt (Co)?

(a)  

What is the atomic number of Radon (Rn)?

(a)  

What is the atomic number for the element Strontium (Sr)?

(a)  

What is the atomic number of the alkali metal Lithium (Li)?

(a)  

What is the atomic number for the halogen Iodine (I)?

(a)  

What is the mass number of Oxygen-16?

(a)  

What is the mass number of Uranium-235?

(a)  

What is the mass number of Hydrogen-3 (Tritium)?

(a)  

What is the mass number of Iron-56?

(a)  

The isotope name Potassium-40 indicates what mass number?

(a)  

What is the mass number of Cobalt-60?

(a)  

What is the mass number of the isotope Lead-206?

(a)  

What is the mass number of the carbon isotope Carbon-13?

(a)  

What is the mass number of Iodine-131?

(a)  

What is the mass number represented by Gold-197?

(a)  

What is the mass number for the isotope Sulfur-34?

(a)  

How many neutrons are in an atom of Boron-11?

(a)  

How many neutrons are in an atom of Sodium-23?

(a)  

Calculate the number of neutrons in Iron-56.

(a)  

How many neutrons are in an atom of Potassium-39?

(a)  

How many neutrons are in the isotope Carbon-14?

(a)  

Determine the number of neutrons in a neutral atom of Argon-40.

(a)  

Find the number of neutrons in an atom of Nickel-58.

(a)  

How many neutrons does an atom of Iodine-127 possess?

(a)  

How many neutrons are in the stable isotope Helium-4?

(a)  

Calculate the number of neutrons in the isotope Uranium-238.

(a)  

How many neutrons are present in an atom of Sulfur-32?

(a)  

The element with 33 protons is (a)   .

The element that has 79 protons in its nucleus is (a)   .

Which element is defined by having an atomic number of 15?

(a)  

The element with 20 protons is (a)   .

Which element has a total of 50 protons?

(a)  

If an atom contains 8 protons, what element is it?

(a)  

The element with 3 protons is (a)   .

An atom with an atomic number of 92 belongs to which element?

(a)  

The element with 56 protons is (a)   .

Which element has 28 protons?

(a)  

The element with an atomic number of 17 is (a)   .

How many valence electrons does an atom of Sulfur (S) have?

(a)  

How many valence electrons does an atom of Barium (Ba) have?

(a)  

What is the number of valence electrons for Iodine (I)?

(a)  

How many outermost electrons are found in an atom of Potassium (K)?

(a)  

An atom of Nitrogen (N) has how many valence electrons?

(a)  

Determine the number of valence electrons in a neutral atom of Carbon (C).

(a)  

How many valence electrons does the element Aluminum (Al) possess?

(a)  

What is the number of valence electrons for a neutral atom of Oxygen (O)?

(a)  

How many valence electrons does the noble gas Neon (Ne) have?

(a)  

How many valence electrons does the element Calcium (Ca) have?

(a)  

What is the number of valence electrons for the atom Phosphorus (P)?

(a)  

An atom of Calcium (Ca) will lose (a)   electrons to create an ion

To satisfy the octet rule, an atom of Sulfur (S) will gain (a)   many electrons?

What is the most likely charge of a Calcium ion?

(a)  

What is the most likely charge of an ion formed by Sodium (Na)?

(a)  

What is the predicted stable charge of a Chlorine (Cl) ion?

(a)  

When Aluminum (Al) forms an ion, what is its expected charge?

(a)  

What is the most common charge for an ion of Oxygen (O)?

(a)  

Predict the charge of the stable ion formed by Barium (Ba).

(a)  

What is the typical charge for the anion formed by Phosphorus (P)?

(a)  

What is the most likely charge of an ion formed by Lithium (Li)?

(a)  

When Sulfur (S) becomes an ion, what is its usual charge?

(a)  

What is the common charge for an ion of Potassium (K)?

(a)  

Predict the stable charge of the ion formed by Bromine (Br).

(a)  

The elements in Group 1 are called the (a)   .

The elements in Group 1 are called the (a)   .

The elements in Group 2 are called the (a)   .

The elements in Group 17 are called the (a)   .

The elements in Group 18 are called the (a)   .

The elements in the middle block (Groups 3-12) are known as (a)   .

The Group 1 metals, such as Lithium, Sodium, and Potassium, are all examples of (a)   .

The very reactive nonmetals in Group 17, like Fluorine and Chlorine, are known as (a)   .

The non-reactive gases in Group 18, like Neon and Argon, are known as (a)   .

Elements like Magnesium and Calcium belong to the (a)   (Group 2).

The block of metals in the middle of the periodic table are collectively called (a)   .

Argon is considered very reactive or not reactive?

(a)  

Chlorine-35 and Chlorine-37 are examples of (a)   .

Uranium-235 and Uranium-238 are examples of (a)   .

Atoms of the same element with different mass numbers are called (a)   .

Carbon-12 and Carbon-14 are two naturally occurring (a)   of Carbon.

Atoms of Oxygen that have 8 neutrons and atoms of Oxygen that have 9 neutrons are examples of (a)   .

Two atoms that have the same atomic number but different mass numbers are (a)   .

The terms Protium, Deuterium, and Tritium refer to the (a)   of Hydrogen.

Neon-20 and Neon-22 are examples of different forms of the element Neon, known as (a)   .

Two atoms with 11 protons but one has 12 neutrons and the other has 13 neutrons are (a)   .

Sodium-23 and Sodium-24 are examples of (a)   .

A change in the number of neutrons results in a different (a)   of the element.

In the image of He, how many protons are there?

(a)  

In the image of C, how many protons are there?

(a)  

What is the atomic number shown in the image for Cl?

(a)  

How many protons does the atom represented by 23 / 11 / Na have?

(a)  

What is the number of protons in the image of Li?

(a)  

The notation 19 / 9 / F indicates how many protons?

(a)  

In the image of S, what is the atomic number?

(a)  

How many protons are found in the atom represented in the image of Ca?

(a)  

What is the number of protons in the isotope shown of H?

(a)  

What is the atomic number shown in the symbol 16 / 8 / O?

(a)  

The image of Ne indicates an atom with how many protons?

(a)  

In the notation 79197​Au, what is the mass number?

(a)  

In the image of U, what is the mass number?

(a)  

What is the mass number shown in the image C?

(a)  

How many protons and neutrons combine to form the mass number in Ca?

(a)  

What is the mass number of the isotope represented in the image of H?

(a)  

The image of I indicates what mass number?

(a)  

In the image of Fe, what is the mass number?

(a)  

What is the mass number shown in the image of As?

(a)  

How many neutrons are in the image of Ne?

(a)  

What is the mass number of the atom represented in the image of S?

(a)  

The image of B indicates what mass number?

(a)  

In the image of Cs, how many neutrons are there?

(a)  

In the image of Cl, how many neutrons are there?

(a)  

How many neutrons are in the isotope in the image of C?

(a)  

Calculate the number of neutrons in the atom of Na shown.

(a)  

How many neutrons are in the image of Li?

(a)  

Determine the number of neutrons in the image of Ar.

(a)  

In the image of F, how many neutrons are there?

(a)  

⭐ Calculate the number of neutrons in the atom 56 / 26 / Fe.

(a)  

How many neutrons are in the isotope shown of I?

(a)  

Find the number of neutrons in the image of S.

(a)  

The image of U indicates how many neutrons?

(a)  

In a neutral atom of Sodium-23, how many electrons are there?

(a)  

In a neutral atom of Neon-20, how many electrons are there?

(a)  

How many electrons are in a neutral atom of Lithium-7?

(a)  

A neutral atom of Aluminum-27 contains how many electrons?

(a)  

What is the number of electrons in a neutral atom of Iron-56?

(a)  

How many electrons are in a neutral atom of Phosphorus-31?

(a)  

In a neutral atom of Calcium-40, how many electrons are there?

(a)  

How many electrons does a neutral atom of Silver-108 have?

(a)  

What is the number of electrons in a neutral atom of Hydrogen-1?

(a)  

How many electrons are in a neutral atom of Sulfur-32?

(a)  

A neutral atom of Oxygen-16 contains how many electrons?

(a)  

In the ion S^2-, how many electrons are there?

(a)  

In the ion O^2-, how many electrons are there?

(a)  

How many electrons are in a stable Na⁺ ion?

(a)  

Calculate the number of electrons in the ion Al³⁺

(a)  

How many electrons are in the stable ion Cl^-?

(a)  

In the ion Ca²⁺, how many electrons are there?

(a)  

How many electrons are in the ion N^3-?

(a)  

Calculate the number of electrons in the ion Li⁺.

(a)  

How many electrons are in the stable ion Br^-?

(a)  

In the ion K⁺, how many electrons are there?

(a)  

How many electrons are in the ion Mg²⁺?

(a)  

Calculate the charge of the ion with 8 protons and 10 electrons.

(a)  

Calculate the charge of the ion with 19 protons and 18 electrons.

(a)  

What is the charge of an ion that has 3 protons and 2 electrons?

(a)  

Calculate the charge of the ion with 17 protons and 18 electrons.

(a)  

An ion has 13 protons and 10 electrons. What is its charge?

(a)  

Determine the charge of an ion containing 16 protons and 18 electrons.

(a)  

What is the charge of the ion formed from 9 protons and 10 electrons?

(a)  

Calculate the charge of the ion with 20 protons and 18 electrons.

(a)  

An ion has 7 protons and 10 electrons. What is its charge?

(a)  

What is the charge of an ion containing 12 protons and 10 electrons?

(a)  

Determine the charge of an ion with 11 protons and 10 electrons.

(a)  

A Cation is an ion with a (a)   charge.

The smallest part of an element that retains the element's properties is called a(n) (a)   .

Which subatomic particle has no charge?

(a)  

The total number of protons plus neutrons equals the (a)   Number.

How many neutrons does Polonium-209 have?

(a)  

How many neutrons does Uranium-235 have?

(a)