Protons, neutrons, electrons

What atomic particle determines the element?

• protons

• neutrons

• electrons

• nucleus

What particle(s) are located in the nucleus?

• protons only

• neutrons only

• electrons only

• protons and neutrons

• protons and electrons

What particle in the atom has no charge and a mass of 1?

• proton

• neutrons

• electrons

• ion

What particle(s) have a charge?

• protons only

• electrons only

• protons and electrons

• electrons and neutrons

Tags

NGSS.MS-PS2-3

(challenge) An atom has 10 protons and 10 electrons. What happens to the charge if you add 1 more electron?

• It becomes a negative ion

• It becomes a positive ion

• nothing changes

• It becomes a different element

Tags

NGSS.MS-PS1-1

An atom of HELIUM has 2 protons. If you add 1 more proton, what happens?

• It becomes an ion

• It becomes a different kind of element

• Nothing

Tags

NGSS.MS-PS1-1

Challenge: what is the mass of an atom with 2 protons, 2 neutrons, and 2 electrons?

• mass = 2

• mass = 4

• mass = 6

• mass = 8

Tags

NGSS.MS-PS1-1

Challenge: What is the charge of an atom with 3 protons and 2 electrons?

• 0 (neutral)

• +1

• -1

Tags

NGSS.MS-PS1-1

The atomic number is the same as......

• the number of protons

• the number of electrons

• the number of neutrons

• the number of protons plus neutrons

Tags

NGSS.MS-PS1-1

How many neutrons does lithium have?

• 3

• 4

• 6

• 7

Tags

NGSS.MS-PS1-1