Atomic structure + periodic table

What is the charge of a proton

• Positive

• Negative

• Neutral

What is the charge of an electron

• Negative

• Neutral

• Positive

Tags

NGSS.MS-PS2-3

What two particles are in the nucleus?

• Protons and neutrons

• Protons and electrons

• Electrons and neutrons

• Protons and quarks

Tags

NGSS.MS-PS1-1

Where are the electrons located in an atom?

• nucleus

• orbitals

• at the center of the atom

What are the columns (up and down) called on the periodic table

• Groups

• rows

• Periods

• Sections

What is mass number?

• The number of protons

• The average weight of all the atoms of a given element

• The total number of protons and electrons

• The total number of protons and neutrons

What is the atomic number?

• the number of protons

• the average weight of all the different atoms of an element

• The total number of protons and electrons

• The total number of protons and neutrons

What is the mass Number of carbon-12

• 6

• 14

• 12

• 12.01

Tags

NGSS.HS-PS1-8

What is the mass number for an element with 19 protons and 21 neutrons?

• 19

• 21

• 2

• 40

What is the mass number for an element with 18 protons and 19 neutrons

• 18

• 37.48

• 37

• 39