Font size
WorksheetsMastery Peak - Atoms, isotopes, ions and The table
Total questions: 41
Worksheet time: 30mins
What is the smallest subatomic particle that all matter is made of?
Protons
Electrons
Neutrons
Nucleus
Where are protons found in an atom?
Nucleus
Electrons
Neutrons
Bohr model
What is the charge of protons?
Positive
Negative
No charge
Neutral
What is the charge of an electron?
Positive
Negative
No charge
Neutral
What is the charge of a neutron?
Positive
Negative
No charge
Neutral
Where are electrons located in an atom?
In the nucleus
With protons
With neutrons
In orbit of the nucleus
What is the Atomic Mass Number?
The total number of protons and neutrons found in an atom's nucleus.
The total number of protons and electrons found in an atom.
The total number of electrons and neutrons found in an atom.
The total number of protons, neutrons, and electrons found in an atom.
What is the relationship between the number of protons and the number of electrons in an atom?
They are equal
They are opposite
They are random
They are unrelated
What is the atomic mass number of an atom with 20 protons and 3 neutrons?
23
22
21
20
What is the atomic mass number of an atom with 6 protons and no neutrons?
(a)
6
5
4
3
What is the atomic mass number of this atom?
1
3
4
7
Label the Parts of the atom.
Electrons
Protons
Neutron
If you have an AMN of 24 and have 16 electrons, you have (a) protons and (b) neutrons.
16
8
11
13
What is the role of protons in an atom?
They determine the type of atom
They determine the size of the atom
They determine the charge of the atom
They determine the stability of the atom
What is an isotope?
Atoms with the same number of protons but different numbers of neutrons
Atoms with the same number of protons but different numbers of electrons
Atoms with the same number of neutrons but different numbers of protons
Atoms with the same number of electrons but different numbers of protons
Do all atoms have natural isotopes?
Yes
No
Only some atoms have isotopes
Isotopes are man-made
What are the physical properties of oxygen?
Colorless, odorless, gas
Red, smelly, liquid
Yellow, odorless, solid
Blue, smelly, gas
What happens when the nucleus of an atom decays over time?
It releases energy over time
It transforms into a different element
It becomes radioactive
It loses its protons
What are ions?
Atoms that have gained or lost electrons
Atoms that have gained or lost protons
Atoms that have gained or lost neutrons
Atoms that have gained or lost energy
What is the charge of an anion?
Positive
Negative
Neutral
Variable
What is the charge of a cation?
Positive
Negative
Neutral
Variable
What is the role of electrons in atoms?
Determine the size of the atom
Determine the charge of the atom
Determine the stability of the atom
All of the above
What is the atomic number of an atom?
The number of protons in the nucleus
The number of neutrons in the nucleus
The number of electrons in the nucleus
The number of isotopes in the nucleus
What is an anion?
An atom with more of a positive charge
An atom with more of a negative charge
What is a cation?
An atom with a greater positive charge
An atom with a greater negative charge
A neutral ion
A subatomic particle
James is studying chemistry and he came across the term 'pure substance'. According to his understanding, what is a pure substance made of?
Different types of atoms
Atoms of the same type
Atoms of different elements
Atoms of different compounds
Abigail, James, and Mia are working on a science project. They need to choose a non-metal for their experiment. Which of the following should they choose?
Copper
Gold
Oxygen
Silver
James, Sophia, and Mia are participating in a science fair. They are given a few items and asked to identify the metals among them. Which of the following items given to them are metals?
Copper bracelet
Gold necklace
Oxygen tank
Silver spoon
Maya, Samuel, and Ethan are discussing how elements are organized. What method do they discover is used to organize elements?
In a random order
In alphabetical order
In a periodic table
In numerical order
Grace, Lily, and Elijah are discussing the periodic table. What information does the periodic table primarily show about elements?
The number of elements in each period
The properties of elements
The atomic mass of elements
The atomic number of elements
Aria, Elijah, and Avery are discussing the size of atoms in their chemistry class. They want to know what happens to the size of atoms as they move across a period in the periodic table. What can they conclude?
The atoms get smaller
The atoms get bigger
The atoms stay the same size
The atoms become unstable
In a chemistry class, Aiden and Zoe were discussing the size of atoms. They noticed a trend when moving down a group in the periodic table. What happens to the size of atoms as you move down a group?
They get smaller
They get bigger
They stay the same size
They become unstable
Liam, Ava, and Elijah are discussing the periodic table in their chemistry class. They are trying to figure out how many groups there are in the periodic table. Can you help them?
8
12
18
20
Emma is studying chemistry and comes across an atomic symbol. What does the atomic symbol represent?
The atomic mass of an element
The atomic number of an element
The number of protons in an element
The name of an element
Priya is conducting a chemistry experiment and needs to know the atomic mass of Hydrogen. Can you help her?
1
4
8
16
Zoe, Ethan, and Nora are discussing the periodic table. They want to know what the atomic number of an element represents. Can you help them?
The number of protons in an element
The atomic mass of an element
The number of neutrons in an element
The number of electrons in an element
Label the Elemental Square?
Atomic Symbol
Name of element
Atomic Number
Atomic Mass
Which shows the combined amount of Neutrons and protons that atoms of this element have?
The full name of the element.
Which shows the # of protons found in the element?
A short way of writing an element’s name.
Mostly one or 2 letter.
