Chemistry, 02.12.2020 07:30 melanie1759

Which of the following is true regarding the atoms involved in a chemical reaction? 1.Some of the atoms will always be changed into a different type of atom by a chemical reaction.

2.Some of the atoms present before the reaction will always be lost during a chemical reaction.

3.During a chemical reaction, atoms will always be combined into much larger molecules.

4.The same number of each type of atom will always be present before and after a chemical reaction takes place.

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 19:10, cristinaledford3696

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Answers: 2

continue

Chemistry, 22.06.2019 09:00, tashaunalewis4786

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Answers: 1

continue

Chemistry, 22.06.2019 11:30, yvngtazz

Compare and contrast refraction of light and sound will give brainliest

Answers: 1

continue

Chemistry, 22.06.2019 16:10, nauticatyson9

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

Answers: 1

continue

You know the right answer?

Which of the following is true regarding the atoms involved in a chemical reaction? 1.Some of the a...