Quiz about Midterm Review_Honors chemistry

Question 1

How many protons are in an atom of Antimony?

Accepted Answer

51

Answer

85

Answer

22

Answer

122

Question 2

What subatomic particle gives you the negative charge?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Crouton

Question 3

What is the atomic symbol for gold?

Accepted Answer

Au

Answer

Ag

Answer

Ga

Answer

Gd

Question 4

Which two subatomic particles are located within the nucleus?

Accepted Answer

Protons & Neutrons

Answer

Protons & Electrons

Answer

Electrons & Neutrons

Answer

All 3 are found inside the nucleus

Question 5

What is the name of an element with 12 protons?

Accepted Answer

Magnesium

Answer

Manganese

Answer

Molybdenum

Answer

Mercury

Question 6

Elements that can be shaped into wires, can be described as being _____.

Accepted Answer

Ductile

Answer

Oxidized

Answer

Brittle

Answer

Insulators

Question 7

The periodic table is arranged by atomic number. What does the atomic number represent?

Accepted Answer

Number of protons

Answer

Number of photons

Answer

Number of neutrons

Answer

Number of electrons

Question 8

What does it mean to oxidize?

Accepted Answer

To be able to rust

Answer

To be shaped

Answer

To be toxic

Answer

To be shiny

Question 9

An element with the atomic symbol Si is _____.

Accepted Answer

Silicon

Answer

Silver

Answer

Silicone

Answer

Selenium

Question 10

Materials that are bad at conducting either electricity or heat are known as _____.

Accepted Answer

Insulators

Answer

Conductors

Answer

Malleable

Answer

Corrosive

Question 11

You are using a chemical that has a HMIS label with a score of 1 in blue, what does this mean?

Accepted Answer

It's an irritant

Answer

It's flammable

Answer

It's a teratogen

Answer

It's an oxidizer

Question 12

You need to pipette a small amount of liquid for a flammability test. What piece of lab equipment should you use for holding your sample?

Accepted Answer

Watch glass

Answer

Weigh boat

Answer

Graduated cylinder

Answer

Microwell plate

Question 13

What is this hazard pictogram?

Accepted Answer

Oxidizer

Answer

Irritant

Answer

Flammable

Answer

Corrosive

Question 14

How many significant digits (SF) are in the measurement 0.00430 cm?

Accepted Answer

3

Answer

2

Answer

5

Answer

6

Question 15

Which of the following elements is an alkaline earth with 4 energy levels or shells for its electrons?

Accepted Answer

Calcium

Answer

Sodium

Answer

Mangesium

Answer

Potassium

Question 16

What is this piece of lab equipment?

Accepted Answer

Graduated Cylinder

Answer

Beaker

Answer

Flask

Answer

Scoopula

Question 17

Chloe has been working with a chemical and begins to develop a rash, which of the following hazard pictograms should the chemical be labeled with?

Accepted Answer

Question 18

How would you write the number 100000.0 with 3 SF?

Accepted Answer

1.0x105

Answer

100.

Answer

10.0x104

Answer

100.x103

Question 19

Which of the following metric units is the smallest?

Accepted Answer

Decigram

Answer

Kilogram

Answer

Decagram

Answer

Hectagram

Question 20

The molar mass of sucrose was calculated to be 342.296, which of the following is the correct molar mass?

Accepted Answer

342.30 g/mol

Answer

342.29 g/mol

Answer

3.42x10² g/mol

Answer

342 g

Question 21

How many significant digits are in the measurement 0.0040 seconds?

Accepted Answer

2

Answer

4

Answer

5

Answer

1

Question 22

Which of the following elements would have 3 shells or energy levels?

Accepted Answer

Magnesium

Answer

Manganese

Answer

Molybdenum (Mo)

Answer

Mercury

Question 23

Look at the HMIS label on the left, which of the statements below is FALSE?

Accepted Answer

It is explosive

Answer

It is extremely flammable

Answer

It is slightly reactive

Answer

It is moderately toxic

Question 24

You need to run multiple experiments at the same time, which piece of lab equipment should you use?

Accepted Answer

Microwell Plate

Answer

Mortar & Pestle

Answer

Beakers

Answer

Watch Glasses

Question 25

Which of the following elements is a metalloid?

Accepted Answer

Boron

Answer

Bromine

Answer

Beryllium

Answer

Barium (Ba)

Question 26

An element with equal numbers of protons and neutrons, but a different number of electrons can be described as a(n) _____.

Accepted Answer

Stable Ion

Answer

Stable Atom

Answer

Unstable atom

Answer

Unstable ion

Question 27

Which of the following elements would be shiny and ductile?

Accepted Answer

Tungsten

Answer

Sulfur

Answer

Fluorine

Answer

Phosphorus

Question 28

How would you write 0.0450670 with 3 SF?

Accepted Answer

4.51x10-2

Answer

4.51

Answer

4.50x10-2

Answer

4.51x102

Question 29

How many oxygen atoms are in the compound calcium phosphate, Ca₃(PO₄)₂?

Accepted Answer

8

Answer

6

Answer

4

Answer

2

Question 30

Convert 4450.4 g to mg. Write your answer with 2 SF. (1000mg=1g)

Accepted Answer

4.5x10⁶ mg

Answer

4.5 mg

Answer

4.5x10^-6 mg

Answer

45 mg

Question 31

A person weighs 160. lbs, what is their weight in kilograms? (2.2 lb = 1kg)

Accepted Answer

72.7 kg

Answer

352 kg

Answer

73 kg

Answer

350 kg

Question 32

You are working with a chemical that is labeled with this pictogram. You would describe the chemical as _____.

Accepted Answer

A mutagen or teratogen

Answer

Pyrophoric

Answer

A sensitizer

Answer

Corrosive

Question 33

How many neutrons are in Arsenic-103?

Accepted Answer

70

Answer

103

Answer

33

Answer

85

Question 34

Which of the following combinations of subatomic particles represents an unstable ion of titanium?

Accepted Answer

22p, 20e, 37n

Answer

22p, 22e, 22n

Answer

22p, 22e, 37n

Answer

22p, 20e, 22n

Question 35

Which of the following is the stable version of Iridium (Ir)?

Accepted Answer

Ir-154

Answer

Ir-87

Answer

Ir-192

Answer

Ir-99

Question 36

Which of the following elements is a period 2 halogen?

Accepted Answer

Fluorine

Answer

Chlorine

Answer

Neon

Answer

Lithium

Question 37

Which of the following would be the most reactive alkaline earth metal?

Accepted Answer

Radium (Ra)

Answer

Francium (Fr)

Answer

Calcium (Ca)

Answer

Beryllium (Be)

Question 38

Which of the following elements would be made by a supernova?

Accepted Answer

Lead

Answer

Aluminum

Answer

Seaborgium (Sg)

Answer

Hydrogen

Question 39

How many protons are in an atom of tungsten?

Accepted Answer

74

Answer

22

Answer

81

Answer

52

Question 40

Which of the following sets of elements would have similar physical and chemical properties?

Accepted Answer

Sodium & Potassium

Answer

Sodium & Calcium

Answer

Silver & Sodium

Answer

Sodium & Sulfur

Question 41

An element that has 7 protons, 7 neutrons, and 10 electrons can be described as....

Accepted Answer

Stable ion nitrogen

Answer

Stable atom nitrogen

Answer

Unstable atom of nitrogen

Answer

Unstable ion of nitrogen

Question 42

You discovered a new element. It is extremely water reactive, a good conductor and very shiny. What family should this new element been added into?

Accepted Answer

Transition Metals

Answer

Noble Gas Family

Answer

Halogens

Answer

Metalloids

Midterm Review_Honors chemistry

42 questions

How many protons are in an atom of Antimony?

What subatomic particle gives you the negative charge?

What is the atomic symbol for gold?

Which two subatomic particles are located within the nucleus?

What is the name of an element with 12 protons?

Elements that can be shaped into wires, can be described as being _____.

The periodic table is arranged by atomic number. What does the atomic number represent?

What does it mean to oxidize?

An element with the atomic symbol Si is _____.

Materials that are bad at conducting either electricity or heat are known as _____.

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