WorksheetsAtoms & Electron Dots
Total questions: 20
Worksheet time: 11mins
How many electrons should Hydrogen have around its electron dot diagram?
1
2
7
8
What is at the center of every atom?
an electron
a compound
a molecule
a nucleus
How many dots would the electron dot diagram of Helium have?
1
2
8
0
This is a correct electron dot diagram for nitrogen (N)
true
false
What is the atomic mass of Neon?
10
20.18
10.18
30.18
What element is represented in this model?
Carbon
Hydrogen
Aluminum
Lithium
Having the same number of protons but different number of neutrons.
atom
isotope
mass number
atomic number
The number of protons in the nucleus of an atom.
atom
isotope
mass number
atomic number
The sum of the protons and neutrons in the nucleus.
atom
isotope
mass number
atomic number
The positively charged particles of the atom.
electrons
protons
neutrons
hoddertrons
The negatively charged particles of the atom.
electrons
protons
neutrons
hoddertrons
The particles of the atoms with no charge.
electrons
protons
neutrons
hoddertrons
