Question

#1: The element that loses electrons in a chemical reaction is said to have been which of the following?

A. reduced

B. oxidized

C. combusted

D. rusted

**idk, is it reduced or oxidized??

Answer 1

#2: Which type of reaction occurs if one element gains electrons and another loses electrons?

A. combustion

B. synthesis

C. oxidation-reduction

D. double-displacement

**my answer: C

is that right?

Answer 2

#3: What is the oxidation number for phosphorus in H4P2O7?

A. +5

B. +3

C. +1

D. - 1

**my answer: A. +5

is that right??

Answer 3

if it loses electrons then it is oxidized.

LEO THE LION GOES GER

LEO = Loses electrons = oxidation

GER = Gains electrons = reduction

Answer 4

#4: What is the oxidation number for phosphorus in Na2HPO3?

A. +5

B. +3

C. +1

D. - 1

**my answer; B. +3

is that right??

Answer 5

2 and 3 are right (Y)

Answer 6

so #1 is B. oxidized??

and yay for 2 and 3 :)

and what about 4?? :D

Answer 7

4 is right

Answer 8

wooo!! thank you sooo much!!! :D

Answer 9

oh and 1 was b. oxidized right??

Answer 10

yep oxidized, i gotta go!

Answer 11

kk thanks!!! bye-bye :)

Answer 12

no prob! see ya :)

Answer 13

adios amigos!! hahaa ;P