Ions and subatomic particles

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an Ion.

A neutron has a charge of

• +2
• No charge
• -1
• +1

What does the number in the top left corner represent?

• protons

• neutrons

What does the number under the symbol represent?

• atomic number

• atomic mass

• electron structure

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

A subatomic particle that has a negative charge

• nobles gases

• protons

• electrons

• neutrons

Tags

NGSS.MS-PS2-3

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

If an atom loses electrons, the charge will be positive.

• true

• false

Tags

NGSS.HS-PS1-2

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

• Br^-1

• Br⁺¹

• Br⁺⁷

• Br^-7

Tags

NGSS.HS-PS1-1