Milspaw's Chemistry Post Test Review

What is the atomic number of Chlorine?

• 35

• 17

• 9

• 18

How many neutrons are in Bromine?

• 35

• 17

• 45

• It is impossible to tell without the mass number given

How many protons are there in Tellurium (Te)

• 52

• 127

• 128

• 76

What do an atom, ion, and isotope of an element have in common?

• the same number of electrons

• the same number of protons

• they have different number of protons

• the same number of neutrons

Tags

NGSS.MS-PS1-1

What is the charge on a Chlorine - 17 atom that has 17 electrons?

• +2

• +1

• 0

• -1

What is the charge on a Chlorine-17 atom that has 18 electrons

• +2

• +1

• 0

• -1

What is the charge on a sodium-11 atom that has 10 electrons?

• +2

• +1

• 0

• -1

Mass number equals?

• protons plus electrons

• protons plus neutrons

• electrons plus neutrons

• protons minus neutrons

The atomic number of nitrogen is?

• 7

• 14

• 11

• 9

Tags

NGSS.MS-PS1-1

The atomic number of an element is the total number of which particles in the nucleus?

• electrons

• neutrons

• protons

• protons plus jimmy neutrons