Hs Chemistry Practice Final

50 Questions | By Koztm | Updated: Nov 9, 2022 | Attempts: 3079

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Practice final exam for the first semester of basic high school chemistry.

Questions and Answers

1.

Convert 57.03mm to meters
- A.
  
  0.005703m
- B.
  
  0.05703m
- C.
  
  0.5703m
- D.
  
  57,030.0m
2.

Convert 17.2°C to Kelvin
- A.
  
  256.35 K
- B.
  
  298.15 K
- C.
  
  237.35 K
- D.
  
  290.35 K
3.

Convert 0.00924kg to mg
- A.
  
  9.240mg
- B.
  
  92.40mg
- C.
  
  924.0mg
- D.
  
  9240mg
4.

Convert 375.12 K to °C
- A.
  
  275.12°C
- B.
  
  648.27°C
- C.
  
  101.97°C
- D.
  
  475.12°C
5.

You have a 25mL graduated cylinder and an unknown mass of Zinc. You fill the graduated cylinder with 10mL of water and drop the sample of Zinc in carefully. The water rises to 12mL. If the density of Zinc is 7.14 g/mL, what is the mass of the sample of Zinc used?
- A.
  
  0.280g
- B.
  
  14.3g
- C.
  
  92.8g
- D.
  
  107g
6.

Which of the following elements are transition metals? (You may select multiple answers)
- A.
  
  Manganese (Mn)
- B.
  
  Silicon (Si)
- C.
  
  Strontium (Sr)
- D.
  
  Gold (Au)
7.

Which of the following elements has the largest atomic radius?
- A.
  
  Nitrogen (N)
- B.
  
  Zinc (Zn)
- C.
  
  Tungsten (W)
- D.
  
  Radium (Ra)
8.

Order the following elements in order of increasing ionization energy: Hg, Fr, Cl, F, As
- A.
  
  F, Cl, As, Hg, Fr
- B.
  
  Fr, Hg, As, Cl, F
- C.
  
  As, F, Cl, Fr, Hg
- D.
  
  Hg, Fr, Cl, F, As
9.

True or False: Lithium (Li) is an alkaline earth metal.
- A.
  
  True
- B.
  
  False
10.

Which of the following elements are Lanthanoids? (You may select multiple answers)
- A.
  
  Lead (Pb)
- B.
  
  Einsteinium (Es)
- C.
  
  Potassium (K)
- D.
  
  Terbium (Tb)
11.

Which element has a mass number of 32?
- A.
  
  Sulfur (S)
- B.
  
  Germanium (Ge)
- C.
  
  Chlorine (Cl)
- D.
  
  Arsenic (As)
12.

How many neutrons are present in a Carbon-14 atom?
- A.
  
  4 neutrons
- B.
  
  6 neutrons
- C.
  
  8 neutrons
- D.
  
  10 neutrons
13.

An atom of which element has 12 protons, 12 neutrons, and 12 electrons?
- A.
  
  Carbon (C)
- B.
  
  Nitrogen (N)
- C.
  
  Magnesium (Mg)
- D.
  
  Sodium (Na)
14.

What is the name of an atom with an atomic mass number of 18 and 8 protons?
- A.
  
  Oxygen-8
- B.
  
  Oxygen-16
- C.
  
  Oxygen-18
- D.
  
  Oxygen-26
15.

True or False: Calcium (Ca) always has 20 protons.
- A.
  
  True
- B.
  
  False
16.

True or False: Na+ is an anion.
- A.
  
  True
- B.
  
  False
17.

What is the name for the ion CO32- ?
- A.
  
  Carbon Trioxide
- B.
  
  Carbonoxide
- C.
  
  Carbonate
18.

What is the formula for Aluminum (III) Sulfate?
- A.
  
  Al₃SO₄
- B.
  
  Al₃S
- C.
  
  Al₂(SO₄)₃
- D.
  
  Al₂S₃
19.

What is the name for Cu(NO3)2?
- A.
  
  Copper Nitride
- B.
  
  Copper Trinitrate
- C.
  
  Copper (I) Nitrate
- D.
  
  Copper (II) Nitrate
20.

Is OH- an element, ion, or compound?
- A.
  
  Element
- B.
  
  Ion
- C.
  
  Compound
21.

What term describes the process of a substance changing from solid to gas?
- A.
  
  Condensation
- B.
  
  Deposition
- C.
  
  Sublimation
- D.
  
  Evaporation
22.

Which of the following is a chemical change?
- A.
  
  Glass breaking
- B.
  
  Inflating a basketball
- C.
  
  A towel absorbing water
- D.
  
  A nail rusting in the rain
23.

True or False: An example of qualitative data is color.
- A.
  
  True
- B.
  
  False
24.

Which of the following characteristics of a person are quantitative? (You may select multiple answers)
- A.
  
  Hair color
- B.
  
  Height
- C.
  
  Skin tone
- D.
  
  Weight
- E.
  
  Age
25.

Which of the following describes a heterogeneous substance containing large solid particles?
- A.
  
  Compound
- B.
  
  Colloid
- C.
  
  Suspension
- D.
  
  Solution