Chemistry Review

Question 1

Rutherfords theory dis NOT state that

Accepted Answer

Atoms are glow in the dark, negative electrons move in the nucleus

Question 2

What is a pure substance?

Accepted Answer

A substance made up of only one type of atom

Question 3

Which is the Formula For Ideal Gas Law

Accepted Answer

PV= nRT, PV=nR/T

Question 4

Define Electronegativity

Accepted Answer

how strong the nucleus pulls electrons from other atoms

Question 5

How do you find the molar mass of a molecule?

Accepted Answer

Add up the molar masses of each atom

Question 6

in ionic bonds electrons are ___, in covalent bonds they are ___

Accepted Answer

transferred, shared

Question 7

Which displays synthesis

Accepted Answer

Na + Mg -> NaMg

Question 8

The Number of Protons increase as you go ___ on the periodic table

Accepted Answer

left

Question 9

Which is NOT true about Molar mass

Accepted Answer

Molar Mass is used just for compounds

Question 10

Which is Boyles Law

Accepted Answer

P1V1=P2V2

Question 11

Daltons theory states that atoms have a _____ shape

Accepted Answer

round

Question 12

Which is Gay-Lussac's Law

Accepted Answer

P11/T = P2/T2

Question 13

In Thomson's "plum pudding" electrons are NOT

Accepted Answer

at the enter of the atom together

Question 14

What is Avogadro's Number

Accepted Answer

6.02 x 10^23

Question 15

Convert 6.53 grams of Mg(NO3)2 to moles, What formula would you use

Accepted Answer

6.53g Mg(NO3)2= 1 mole/148.3g

Question 16

which displays single displacement

Accepted Answer

Na+MgO2 -> NaO2+Mg

Question 17

How do you find Molar Mass

Accepted Answer

Molar Mass= Mass/Mole

Question 18

Which is Charles Law

Accepted Answer

V1/T1=V2/T2

Question 19

Dalton found that elements combine in random proportions bc they're made of individual atoms

Accepted Answer

false

Question 20

What is a group/family

Accepted Answer

Columns on the periodic table

Question 21

What is a period

Accepted Answer

a row on the periodic table

Question 22

What is a physical reaction

Accepted Answer

Changes state, color, shape and other observable features

Question 23

Thomson made a discovery that proved Dalton's theory to be correct

Accepted Answer

true

Question 24

Atomic radius increases as you

Accepted Answer

go down the group, left of the period

Chemistry Review

Questions 24

Chemistry Review

Questions 24