Chemical Symbols and Formulas

How many nitrogen atoms are there?

• 4

• 8

• 10

• 20

Tags

NGSS.MS-PS1-1

How many phosphorus atoms are there?

• 0

• 1

• 3

• 4

Tags

NGSS.MS-PS1-1

How many molecules of methane are there?

• 0

• 1

• 2

• 4

Tags

NGSS.MS-PS1-1

CH₄ is an example of a —

• chemical equation

• chemical formula

• chemical reaction

• chemical symbol

Tags

NGSS.MS-PS1-1

A group of chemical symbols and numbers to show number of atoms of each element in a molecule

• reactant

• Chemical Formula

• product

Tags

NGSS.MS-PS1-1

one or two letters representing a chemical element.

• subscript

• coefficient

• chemical symbol

a series of symbols and formulas that represents a chemical reaction

• reactant

• product

• Chemical equation

Tags

NGSS.MS-PS1-1

Arrow in equation means equal

• product

• reactant

• yield

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Number IN FRONT of reactants or products

• product

• reactant

• coefficient

• subscript

Tags

NGSS.HS-PS1-7

Number BELOW on an element

• product

• reactant

• subscript

• coefficient