1 - Chemical Changes

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Chapter 10, Lesson 1: "Chemical Changes". Use your textbook to help you fill in the blanks (click the words) pages 540 - 547.

Naneth Burquez

United States

#	Jeux	Précision	temps
1	MARIANN AVILES 21 Mai 2019	% 100	00:21
2	Jacqueline 27 Février 2018	% 100	00:24
3	Vivian 3 Mai 2018	% 100	00:28
4	JOSEEDGAR MEXIA 22 Mai 2019	% 100	00:28
5	FATIMA SOTELO 21 Mai 2019	% 100	00:30
6	DALIA ACUÑA 22 Mai 2019	% 100	00:30
7	Luz Elena 14 Mars 2018	% 100	00:31
8	ASTRID HEREDIA 21 Mai 2019	% 100	00:31
9	Katheryn 1 Mars 2018	% 100	00:32
10	Alexandra 11 Avril 2018	% 100	00:32

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Compléter 1 - Chemical ChangesVersion en ligne Chapter 10, Lesson 1: "Chemical Changes". Use your textbook to help you fill in the blanks (click the words) pages 540 - 547. par Naneth Burquez 1 color mass chemical conservation chemical numbers chemical letters change balanced reactants products reaction gases bonds What are chemical charges ? 1 . - When atoms attach to other atoms , the forces that hold these atoms together are . 2 . - During a , new substances with new properties form . 3 . - Evidence that a chemical change has occurred includes a change in or the formation of . 4 . - Another term for chemical change is . 5 . - The substances present before chemical change happens are , and those present after chemical changes are . 6 . - A chemical equation uses and to show that changes have occurred . 7 . - A chemical equation is because it shows the same numbers and types of atoms on both sides . 8 . - Because it shows the same numbers of each type of atom on both sides , a chemical equation shows that a chemical change obeys the law of of .