WorksheetsAtoms Review
Total questions: 14
Worksheet time: 14mins
If Sodium (Na) has 11 Protons and atomic mass of 23, how many neutrons are there?
(a)
If Silicon (Si) has 14 protons and 14 neutrons, what is its atomic mass?
(a)
If Calcium (Ca) has 20 neutrons and an atomic mass of 40, how many protons does it have?
(a)
Aluminum has 13 protons and an atomic mass of 27. How many neutrons does it have?
(a)
Lithium (Li) has 3 protons and an atomic mass of 7. How many neutrons does Li have?
(a)
Beryllium has 5 neutrons and an atomic mass of 9. How many protons does it have?
(a)
Which subatomic particle has a negative charge?
proton
electron
neutron
nucleus
Which subatomic particle(s) is located outside the nucleus?
neutron
proton
electron
none
Which subatomic particle(s) are found in the nucleus?
electrons
protons
neutrons
all
none
Which subatomic particle has a positive charge?
neutron
electron
proton
electron cloud
Which subatomic particle has no charge?
proton
neutron
electron
nucleus
Which subatomic particle identifies the element?
nucleus
electron cloud
electrons
neutrons
protons
What is at the center of an atom?
electron cloud
nucleus
neutrons and electrons
protons and neutrons
protons and electrons
What makes up most of the mass of an atom?
electrons
protons
neutrons
all subatomic particles
