Atomic Structure and Periodic Table Re - Quest

Which subatomic particles can be found in the nucleus

• protons and electrons

• protons and neutrons

• neutrons and electrons

• protons, neutrons, and electrons

How many protons are there in a bromine atom (Br)

• 4

• 17

• 35

• 80

What is the mass number for Krypton (Kr)?

• 18

• 36

• 84.80

• 85

The atomic number is equal to the number of

• protons and neutrons

• protons

• neutrons

• mass

How many neutrons are there in an chlorine (Cl) atom?

• 17

• 18

• 19

• 35

mass number is equal to the

• number of protons plus the number of neutrons

• number of neutrons plus the number of electrons

• number of protons minus the number of neutrons

• the number of neutrons minus the number of electrons

How many neutrons are there in an element with 11 protons?

• 9

• 11

• 12

• 23

How many electrons are there in an atom of nickel (Ni)

• 10

• 28

• 30

• 31

What is the atomic structure of a copper (Cu) atom?

• 29 protons, 35 neutrons, 29 electrons

• 29 protons, 29 neutrons, 29 electrons

• 29 protons, 34 neutrons, 34 electrons

• 29 protons, 35 neutrons, 35 electrons

Most of the atom's mass is located in the

• electron cloud

• control center

• nucleus

• volume