Chemical Reactions Flashcards Preview

Chemistry Unit 1 > Chemical Reactions > Flashcards

Flashcards in Chemical Reactions Deck (9)
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1
Q

When elements react, their atoms join with other atoms to form…

A

Compounds

2
Q

What does elements reacting either involve?

A

Giving, taking, or sharing electrons

3
Q

Which 2 types of compounds are formed in a reaction?

A

Ions or molecules

4
Q

Compounds formed from metals and non-metals consist of…

A

Ions

5
Q

Compounds from non-metals consist of…

A

Molecules

6
Q

In molecules, what are atoms held together by?

A

Covalent bonds

7
Q

When metals lose electrons, what do they form?

A

Positive ions

8
Q

When non-metals gain electrons, what do they form?

A

Negative ions

9
Q

What’s the conversation of mass?

A

No atoms are lost or made during a chemical reaction, so the mass of the products equals the mass of the reactants