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Chem Fall 2023 Make Up Midterm

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Last updated over 1 year ago
30 questions
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Question 1
1.

How many valence electrons does Calcium (Ca) have?

Question 2
2.

Which of these elements has six valence electrons?

Question 3
3.

Nitrogen will ____________ to make an ion

Question 4
4.

Name an element that makes +2 ions.

Question 5
5.

What charge ion does aluminum make?

Question 6
6.

Which of the following will produce a cation?

Question 7
7.

Why doesn't neon make ions?

Question 8
8.

True or False: Metals form anions

Question 9
9.

Which of the alkaline earth metals will has the largest electronegativity?

Question 10
10.

Which of the following elements has the largest atomic radius?

Question 11
11.

Which of these halogens has the smallest ionization energy?

Question 12
12.

How many electrons does a neutral chlorine atom have?

Question 13
13.

An atom has a mass number of 48 and a atomic number of 22.  What element is it?

Question 14
14.

An atom has 7 protons, 7 electrons, and 8 neutrons.  What is its mass number?

Question 15
15.

An atom has 27 protons, 27 electrons, and 28 neutrons.  What element is it?

Question 16
16.

Which of the following elements is a metalloid?

Question 17
17.

What is NOT true of the halogens?

Question 18
18.

Who developed the first atomic theory by building on the research of Antoine Lavoisier and Joseph Proust?

Question 19
19.

What did JJ Thomson’s experiments lead him to believe the atom was most like?

Question 20
20.

How many neutrons does Copper-63 have?

Question 21
21.

What atom has 12 protons?

Question 22
22.

What particle has the least mass?

Question 23
23.

Which of these elements is a halogen?

Question 24
24.

What group is magnesium in?

Question 25
25.

Which of the following is a property of non-metals?

Question 26
26.

Which statement correctly describes a solid in a container?

Question 27
27.

Which of the following are incompressible?

Question 28
28.

What is it called when a gas becomes a liquid?

Question 29
29.

Which of the following is a chemical change?

Question 30
30.

Which of the following is a homogenous mixture?