Chemical Reactions Flashcards
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
