BJU Physical Science Chapter 3

Positive charge

• Protons

• Neutrons

• Electrons

• Nucleus

Negative charge

• Protons

• Neutrons

• Electrons

• Nucleus

Tags

NGSS.MS-PS2-3

No charge, neutral

• Protons

• Neutrons

• Electrons

• Nucleus

Atomic number is the amount of ...

• Protons

• Neutrons

• Electrons

• Charges

Atoms of a the same element with differing number of neutrons are called:

• ions

• isotopes

An atom's atomic mass is really...

• the average of the isotopes weights

• number of protons and neutrons

Radiocarbon dating is a calculation of the amount of __ left in a sample.

• carbon 12

• carbon 13

• carbon 14

• carbon 15

The gaining or loss of electrons creates ..

• isotopes

• ions

A loss of electrons creates a __ charge; creating a __.

• positive; cation

• negative; anion

 $\frac{a}{b}Cl$  Where is the isotope number written?

• a 

• b