Worksheets1.1 Review
Total questions: 25
Worksheet time: 13mins
What is the atomic mass of Neon?
10
20.18
10.18
9.82
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
How many protons are in the nucleus of a sodium atom?
11
22
12
23
The number of electrons in a neutral Calium (Ca) atom
can be determined by subtracting the atomic number from the atomic mass
Can be determined by dividing the atomic number from the atomic mass
is equal to the number of neutrons in a calcium atom
is equal to the number of protons in a calcium atom
The atom shown here is of what element?
Helium
Carbon
Boron
Lithium
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
10
20
30
What subatomic particles would you find in the nucleus of an atom?
Protons only
Protons and Neutrons
Neutrons and Electrons
Protons and Electrons
What particle uniquely identifies an element?
Number of Valence Electrons
Number of Protons
Number of Electrons
Atomic Mass
Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)
boron
beryllium
neon
lithium
How many protons does fluorine have?
19
1
9
10
How many electrons does silicon have?
28
14
0
10
