Random Things to Memorize

Question 1

Diatomic Elements

Answer 1

H, Br, O, F, I, N, Cl

Question 2

Charge of Li, Na, K, Rb, Cs, Ag

Answer 2

1+

Question 3

Charge of Mg, Ca, Sr, Ba, Zn

Answer 3

2+

Question 4

Charge of Sc, Al

Answer 4

3+

Question 5

Charge of F, Cl, Br, I, At

Answer 5

1-

Question 6

Charge of O, S, Se, Te

Answer 6

2-

Question 7

Charge of N, P

Answer 7

3-

Question 8

Molecular Compound

Answer 8

nonmetal & nonmetal

Question 9

Ionic Compound

Answer 9

metal & nonmetal
cation & polyatomic
metal always cation (lose electrons)

Question 10

Avagadros Number

Answer 10

6.022 x 10^23

Question 11

Strong Acids

Answer 11

(HCl) hydrochloric acid
(HBr) hydrobromic acid
(HI) hydroiodic acid
(HNO3) nitric acid
(H2SO4) sulfuric acid
(HClO4) perchloric acid
(HClO3) chloric acid

Question 12

Reduced

Answer 12

gain electrons, more negative

Question 13

Oxidized

Answer 13

lose electrons, more positive

Question 14

Reducing Agent

Answer 14

gives electrons to reduced substance (contains oxidized substance)

Question 15

Oxidizing Agent

Answer 15

takes electrons from oxidized substance (contains reduced substance)

Question 16

Emission Spectrum

Answer 16

specific wavelengths emitted by a specific atom or compound

Question 17

Heisenberg’s Uncertainty Principle

Answer 17

the more accurately we know the position of a particle, the less accurately we know the velocity (and vice versa)