Chem1st Semester Midterm Review

Question 1

AgN3 + NaCl shows two ionic compounds

Accepted Answer

True

Question 2

Which of the following means "dissolved in water"?

Accepted Answer

aqueous

Question 3

What is the element if it has 45 protons?

Accepted Answer

Rh

Question 4

How many electrons?

Accepted Answer

3

Question 5

What is this molecule with four electrons?

Accepted Answer

Beryllium

Question 6

What color are the alkaline earth (group 2) metals?

Accepted Answer

orange

Question 7

CaO + CO2 --> CaCO3 has 10 atoms?

Accepted Answer

True

Question 8

What is the formula for calcium oxide?

Accepted Answer

CaO

Question 9

What is the name of the elements in HIO?

Accepted Answer

hydrogen, iodine and oxygen

Question 10

Which of the following atoms is a metal?

Accepted Answer

sodium

Question 11

Which orbital has 2 electrons?

Accepted Answer

1

Question 12

NH3 --> N2 + H2 is a chemical reaction

Accepted Answer

True

Question 13

How many oxygen atoms are given in the formula Al(O3)3?

Accepted Answer

9

Question 14

What is the formula for hydrogen and sulfur when they combine?

Accepted Answer

H2S

Question 15

How many unpaired electrons are there in an oxygen atom?

Accepted Answer

2

Question 16

What is the symbol for lead?

Accepted Answer

Pb

Question 17

Which of the following is NOT a property of metals?

Accepted Answer

gain electrons

Question 18

Which of the following salts is Barium Oxide?

Accepted Answer

BaO

Question 19

Which particles make up the nucleus?

Accepted Answer

protons and neutrons

Question 20

What is the symbol for potassium?

Accepted Answer

K

Question 21

Biochemist only study chemistry.

Accepted Answer

false

Question 22

Which of the following is not diatomic?

Accepted Answer

C

Question 23

How many protons does an atom of gold have?

Accepted Answer

79

Question 24

Which two particles have similar masses?

Accepted Answer

protons and neutrons

Question 25

Second orbitals can contain a maximum of ___ electrons?

Accepted Answer

8

Question 26

How many neutrons?

Accepted Answer

20

Question 27

Barium always has what charge?

Accepted Answer

2+

Question 28

Which of the following salts is silver chloride?

Accepted Answer

AgCl

Question 29

Isotopes have the same number of what?

Accepted Answer

protons

Question 30

I'm going to..

Accepted Answer

ace it!, fail this final, meh, I'll be alright

Question 31

What is the atomic number?

Accepted Answer

3

Question 32

Which element has the electron configuration with 3 shells and 6 valence electrons?

Accepted Answer

sulfur

Question 33

How many electrons?

Accepted Answer

18

Question 34

Precipitates...

Accepted Answer

are solids

Question 35

How many atoms are present C4H10

Accepted Answer

14

Question 36

What is the atomic number of antimony?

Accepted Answer

51

Question 37

What is the formula for copper sulfide?

Accepted Answer

Cu2S

Question 38

What is the mass number of Li?

Accepted Answer

7

Question 39

Protons have what type of charge?

Accepted Answer

positive

Question 40

How many electrons are there in the third energy level?

Accepted Answer

18

Question 41

How many protons?

Accepted Answer

17

Question 42

What are types of bonds formed for the following molecules?

Accepted Answer

covalent

Question 43

How many atoms are in Cu2Cr2O7?

Accepted Answer

11

Question 44

What type of bond is found in the CO2 molecule?

Accepted Answer

covalent

Question 45

What is the formula for barium sulfite?

Accepted Answer

BaSO3

Question 46

Which element has 53 electrons ?

Accepted Answer

iodine

Question 47

Water and Carbon dioxide both contain O...

Accepted Answer

True

Question 48

Which of the following is a metalloid?

Accepted Answer

silicon

Question 49

How many neutrons?

Accepted Answer

4

Question 50

The equation HCl + NaOH --> NaCl + H2O follows the law of conservation of matter...

Accepted Answer

True

Question 51

Acids...

Accepted Answer

are poured into water

Question 52

What is the mass of this ion?

Accepted Answer

37

Question 53

Ions...

Accepted Answer

have a charge

Question 54

What is the formula for the sulfite ion?

Accepted Answer

SO32-

Question 55

A strong base can be cleaned up using just your hands.

Accepted Answer

false

Question 56

What is the name for lead mixed with oxygen?

Accepted Answer

lead oxide

Question 57

Which of these elements have a full valence shell for each atom?

Accepted Answer

1 & 2

Chem1st Semester Midterm Review

Questions 57

Chem1st Semester Midterm Review

Questions 57