Benchmark Two Review
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Take quiz as many times as you need to. . . . . Make a 100. . . Remember this is practice. . . Don't cheat. . . Practice!
- 1.Which of the following is not a mixture?
- A.
Air
- B.
Soil
- C.
Water
- D.
Grape juice
- 2.What happens when sugar dissolves in water?
- A.
The sugar and water form a new compound
- B.
The sugar becomes a gas and floats in the water
- C.
The sugar particles spread out between the water particles
- D.
Some of the water sublimates to make room for the water particles
- 3.Which of the following is not a physical property?
- A.
Density
- B.
Reactivity
- C.
Boiling point
- D.
Color
- 4.Which of the following is a chemical property
- A.
Melting ice in a glass of water
- B.
Dissolving sulfur in water
- C.
Mixing vinegar and baking soda to get bubbles and heat
- D.
Mixing water in koolaide to make a red liquid
- 5.In which state of matter are the particles closest together
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
Plasma
- 6.
![In the graph above, what does the straight lines mean? - ProProfs]( "In the graph above, what does the straight lines mean?")
In the graph above, what does the straight lines mean?- A.
The substance is not moving (absolute zero)
- B.
The substance is experiencing a phase change (changing states of matter)
- C.
The substance is losing heat to outside sources
- D.
The substance is changing temperature due to convection currents
- 7.
![At which point on the graph is the substance boiling? - ProProfs]( "At which point on the graph is the substance boiling?")
At which point on the graph is the substance boiling?- A.
Point A
- B.
Point B to C
- C.
Point B
- D.
Point D to E
- 8.What subatomic particle compose the nucleus of an atom?
- A.
Electrons & neutrons
- B.
Protons & electrons
- C.
Protons & neutrons
- D.
Protons & ions
- 9.What part of the atom determines what element it is?
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Nucleus
- 10.What is the atomic number of an atom that has 9 protons, 10 neutrons & 9 electrons?
- A.
18
- B.
19
- C.
9
- D.
28
- 11.The atomic number of Carbon is 6, how many neutrons are in a carbon-14 nucleus?
- A.
6
- B.
10
- C.
8
- D.
14
- 12.Which of the statements are true about the following elements shown on the periodic table.Li Na K
- A.
These elements are non-metals
- B.
These elements all have 2 valence electrons
- C.
These elements have similar chemical properties
- D.
These elements all form anions
- 13.Which of the following is NOT true of the elements in group 18 of the periodic table
- A.
They have 8 valence electrons (except He)
- B.
They are non-reactive
- C.
They are noble gases
- D.
They are non-metals
- E.
They have the same number of protons
- 14.How many electrons are in a K+2 ion?
- A.
21
- B.
19
- C.
17
- D.
39
- 15.How does group 16 elements form ions?
- A.
By losing 1 electron
- B.
By losing 2 electrons
- C.
By gaining 1 electron
- D.
By gaining 2 electrons
- 16.Where on the periodic table do you find elements that are gases at room temperature?
- A.
Along the bottom
- B.
On the right side
- C.
In the center
- D.
In the bottom left corner
- 17.Why do elements in the same group have similar properties?
- A.
They have the same number of energy levels
- B.
They are approximately the same size
- C.
They are approximately the same mass
- D.
They have the same number of valence electrons
- 18.How many valence electrons does Magnesium (Mg) have?
- 19.How many energy levels does Iodine (I) have?
- 20.How many neutons does Zirconium (Zr) have?
- 21.How many protons does S -2 have?
- 22.As you go across the periodic table the mass of the element __________
- A.
Decreases
- B.
Varies
- C.
Increases
- D.
Gets more reactive
- 23.As you go down the periodic table the elements ________________
- A.
Get smaller
- B.
Become less reactive
- C.
Become gases
- D.
Get more reactive
- 24.The elements in group 17 are called the __________________
- A.
Noble gases
- B.
Transition metals
- C.
Halogens
- D.
Alkali-earth metals
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