Electron Dot Diagrams

Is this the correct Lewis Dot Structure for Boron that has abbreviated Bohr model 2-3?

• Yes

• No, missing electrons

• No, too many electrons

• No, dots are in wrong place.

• 12
• 7
• 8
• 14

Tags

NGSS.MS-PS1-1

How many valence electrons are in this atom?

• 2

• 5

• 8

Tags

NGSS.MS-PS1-1

How many valence electrons would there be if we made a dot diagram?

• 2

• 6

• 8

Tags

NGSS.MS-PS1-1

How many valence electrons would there be if we made a dot diagram?

• 2

• 5

• 7

Tags

NGSS.MS-PS1-1

Valence electrons are in the _________ shell.

• innermost

• outermost

• nucleus

Tags

NGSS.MS-PS1-1

The number of valence electrons in each atom help determine the ________ properties of that element.

• chemical

• rational

How many electrons should sodium, atomic number 11, have around its Lewis dot model?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Compounds made from only nonmetals are _________________ compounds.

• ionic

• covalent

• metallic

• chemical

Tags

NGSS.MS-PS1-1

What is the formula of this molecule?

• CH

• HC₄

• CH₄

• C₄H₄

Tags

NGSS.MS-PS1-1