Tek 8.5 A Atom

Which particles are located in the NUCLEUS of an atom? (HINT: There is more than 1 answer!)

• electrons

• strongtrons

• neutrons

• protons

Particles in an atom that are NEUTRAL and have NO CHARGE are

• negatrons

• electrons

• neutrons

• protons

If an atom has 3 ELECTRONS, how many PROTONS does it have? (HINT: Remember that A=P=E!)

• 6

• 2

• 4

• 3

Tags

NGSS.MS-PS1-1

What is an ATOMIC NUMBER?

• the number of elements discovered by scientists

• the number of protons and neutrons

• the number of neutrons

• the number of protons and electrons

What is the MASS of an atom?

• the number of protons plus the number of electrons

• the number of protons plus the number of neutrons

• the number of protons plus the number of electrons

Which particles are found in the NUCLEUS of an atom?

• protons and electrons

• protons, neutrons, and electrons

• protons and neutrons

• neutrons and electrons

What is the MASS of a NEUTRON?

• 1 AMU

• 0 AMU

• -1 AMU

• it depends on the atom's molecules

How many NEUTRONS does an Oxygen(O) atom have in its nucleus?

• 16

• 15.99

• 8

• 24

Tags

NGSS.MS-PS1-1

How many protons are in Boron (B) if its ATOMIC NUMBER is 5?

• it does not have any protons

• 5

• 10

• 11

Tags

NGSS.MS-PS1-1

How many NEUTRONS are in Beryllium (BE)?

(HINT: Remember M-A=N)

• 13

• 9

• 5

• 2

Tags

NGSS.MS-PS1-1