Modeling conservation of mass

The total number of atoms of each element is not changed during a chemical reaction.

• law of conservation of mass

• chemical reaction

• mass

Tags

NGSS.MS-PS1-5

When atoms of substances rearrange themselves into a new configuration

• law of conservation of mass

• chemical reaction

• mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The smallest part of all matter

Tags

NGSS.MS-PS1-1

To prevent the loss of something

Tags

NGSS.MS-LS2-5

How much matter is in an object

When the number of each reactant’s atoms and the number of each product’s atoms are equal, the chemical reaction is _______________________________

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The ___________________ is the number placed in front of a chemical symbol in a balanced equation.

• coefficient

• subscript

• superscript

The ___________________ is the number written below and to the right of a chemical symbol to show how many atoms are present.

• coefficient

• subscript

• superscript

The law of conservation of matter​ states that matter is not created or _____________ in a chemical reaction. The total number of ____________ is conserved, and the _____________ does not change.​ (a)   ​ (b)   ​ (c)  

• destroyed
• atoms
• mass

Tags

NGSS.MS-PS1-5