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WorksheetsAtoms
Total questions: 31
Worksheet time: 23mins
What is the smallest piece of matter that still has properties of that matter?
element
atom
proton
Negatively charged particle
proton
neutron
electron
Neutral charge particle
proton
neutron
electron
Positively charge particle
proton
neutron
electron
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
10
20
30
A neutron is ---
a subatomic particle with a negative charge.
a subatomic particle with a neutral charge.
the center of the atom where subatomic particles are found.
a subatomic particle with a positive charge.
An arrangement of elements in order of their atomic numbers such that elements with similar properties fall in the same column or group.
Atomic Number
Electron Cloud
Periodic Table
Nucleus
Which of the following best describes an electron?
it has a positive charge smaller than a proton
it has no charge smaller than a proton
it has a negative charge smaller than a proton
it has a negative charge same size as proton
How many protons, neutrons, and electrons are there in an atom of Hafnium, Hf, if the mass is 178 and the atomic number is 72?
106 protons 72 neutrons 106 electrons
72 protons 106 neutrons 72 electrons
If an atom has 2 protons, 2 neutrons and 2 electrons; what is its Atomic mass?
1
2
3
4
If an atom has 2 protons, 2 neutrons and 2 electrons; what is its Atomic number?
1
2
3
0
Why does the Periodic Table have a gap in the top?
It looks cool!
Because elements have been grouped by behavior
For when the crew of the star ship enterprise discovers new elements!
To make students ask questions
According to the image; List the elements in order from the greatest mass to the least amount of mass..
Ca, K, Mg, Na
K, Ca, Mg, Na
Na, Mg, K, Ca
Mg, K, Ca, Na
Which of the labeled structures is a neutron?
a
b
c
Which of the labeled structures is an electron?
a
b
c
Which of the following particles is NOT found in an atom's nucleus?
proton
neutron
electron
The word "atomos" means
Indivisible
Can be destroyed
Huge
How many elements are in water?
1
2
3
4
How many valence electrons does Ne (neon) have?
(a)
