Elements and Bohr Models

What is defined as defined as the number of protons?

• Atomic mass

• Atomic number

• a.m.u

• Group

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

What is the atom called when there is adding or removing electrons creates atoms with (+) or (-) charges?

• isotopes

• ions

• neutral

• stable

How many Valence Electrons does this element have?

• 3

• 2

• 1

• 4

Tags

NGSS.MS-PS1-1

How many protons are in an atom of Carbon?

• 5

• 6

• 7

• 8

Which element is this?

• Lithium

• Carbon

• Oxygen

• Boron

Tags

NGSS.MS-PS1-1

How many Valence Electrons does this element have?

• 7

• 5

• 4

• 2

Tags

NGSS.MS-PS1-1

How many energy levels do atoms in period 3 have?

• 1

• 2

• 3

• 4

How many energy levels do elements in period 4 have?

• 2

• 3

• 4

• 5

How many electrons in the outer energy level are in elements in group 13, 3A?

• 13

• 14

• 6

• 3