Covalent Compounds

Elements combine to form __________.

• compounds
• atoms
• positive ions
• negative ions

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What part of an atom is involved in chemical bonding?

• protons
• neutrons
• electrons
• nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A ________ is a model of an atom in which each dot represents a valence electron.

• Valence electron
• Electron dot diagram/Lewis dot structure
• Lewis bond structure

How many valence electrons does nitrogen have?

• 3
• 2

• 5
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does hydrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.HS-PS1-1

Where are the non-metals located on the periodic table?

• All over
• On the left side of the "staircase"
• On the right side of the "staircase"

Compounds made from only nonmetals are _________________ compounds.

• ionic
• covalent
• metallic
• chemical

Tags

NGSS.HS-PS1-1

A covalent bond involves a __________ of electrons.

• sharing
• borrowing
• exchanging
• switching

Low melting point and low solubility in water are general properties of ______________________ compounds

• ionic
• covalent
• chemical
• glucose

Tags

NGSS.HS-PS1-1

A __________ is a number written to the right of a chemical symbol and slightly below it.

• subscript
• coefficient
• chemical formula
• compound