from wk15 quiz atoms, neutrons, protons, isotopes

wk15 Thur 11/11/21

by . Ade

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

What is the atomic number of the atom pictured? 

• 11
• 12
• 22
• 23

Multiple Choice

What number indicates an electron?

• 1
• 2
• 3
• 4

Multiple Choice

What number indicates the nucleus?

• 1
• 2
• 3
• 4

Multiple Choice

Mass minus Atomic Number Equals (M-A=?)

• Neutrons

• Protons

• Nucleus

• Atom

Multiple Choice

What goes in place of the question marks?

• Neutrons

• Electron Cloud

• Atomic Number

• None of the above

Multiple Choice

What subatomic particle(s) would be found orbiting the nucleus?

• Neutrons only
• Electrons only
• Protons and Neutrons
• Protons and Electrons

Multiple Choice

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Multiple Choice

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

• Sodium has 1 proton.

• Sodium has 3 protons.

• Sodium has 11 protons

Multiple Choice

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Multiple Choice

which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Multiple Choice

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

Multiple Choice

How many neutrons in C-14?

• 6
• 7
• 14
• 8

Multiple Choice

If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. ⁷⁷₃₅X  II. ⁷⁷₃₃X  III. ⁸¹₃₇X  IV. ⁸¹₃₅ X

• I and II
• III and IV
• I and IV
• I and III

Multiple Choice

Elements can have the same number of protons?

• True
• False

Multiple Choice

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

Multiple Choice

What is the name of the pictured isotope?

• Carbon-12
• Carbon-13
• Carbon-14
• Carbon-15

Multiple Choice

Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon?

• Carbon-12
• Carbon-13
• Carbon-14
• Both Carbon-13 and Carbon-14

Multiple Choice

Ca+ is an example of a(n)

• Positive ion
• Negative ion
• Isotope
• Neutral Atom

Multiple Choice

Which answer choice describes the subatomic particles and their respective charges?

• p-    e+    n
• p+    e     n-
• p+    e-    n
• p-     e+    n

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Multiple Choice

The central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Multiple Choice

electrons have this type of charge?

• negative
• positive
• neutral

Multiple Choice

The subatomic particle of an atom that orbits around the nucleus and has a negative charge...

• Proton
• Neutron
• Electron
• Quark

Multiple Choice

How many neutrons does Argon have in it's nucleus?

• 39.948
• 58
• 22
• 18

How to:

​

Calculate an atom's mass

​

​Calculate the neutrons in an atom

​By: Ms. LaLonde-Bernal

To calculate the mass of an atom you add the protons and the neutrons.

​

Atomic mass = protons + neutrons

​

Multiple Choice

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

To calculate the number neutrons in an atom. Subtract the number of protons (the atomic number) from the atomic mass (the number of protons + neutrons).

​

Neutrons = Atomic mass - protons

​

Multiple Choice

How many neutrons are in one atom of the element shown?

ROUND the atomic mass to the nearest whole number.

Example: 26.982 rounds to 27

• 27

• 13

• 26.98

• 14

Multiple Choice

How many neutrons are in one atom of the element shown?

ROUND the atomic mass to the nearest whole number.

Example: 26.982 rounds to 27

• 30

• 26

• 55.847

• 56

Multiple Choice

How many neutrons are in one atom of the element shown?

ROUND the atomic mass to the nearest whole number.

Example: 26.982 rounds to 27

• 28

• 57

• 58.69

• 31

Multiple Choice

How many neutrons are in one atom of the element shown?

ROUND the atomic mass to the nearest whole number.

Example: 26.982 rounds to 27

• 3

• 7

• 4

• 6.94

Multiple Choice

How many neutrons are in one atom of the element shown?

ROUND the atomic mass to the nearest whole number.

Example: 26.982 rounds to 27

• 26

• 30

• 55

• 55.85

Multiple Choice

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons

Multiple Choice

An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?

• 19
• 39
• 20
• 58