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Chem Fall 2023 Make Up Midterm

Last updated over 1 year ago
30 questions
1

How many valence electrons does Calcium (Ca) have?

1

Which of these elements has six valence electrons?

1

Nitrogen will ____________ to make an ion

1

Name an element that makes +2 ions.

1

What charge ion does aluminum make?

1

Which of the following will produce a cation?

1

Why doesn't neon make ions?

1

True or False: Metals form anions

1

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

1

Which of the following elements has the largest atomic radius?

1

Which of these halogens has the smallest ionization energy?

1

How many electrons does a neutral chlorine atom have?

1

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

1

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

1

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

1

Which of the following elements is a metalloid?

1

What is NOT true of the halogens?

1

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

1

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

1

How many neutrons does Copper-63 have?

1

What atom has 12 protons?

1

What particle has the least mass?

1

Which of these elements is a halogen?

1

What group is magnesium in?

1

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

1

Which statement correctly describes a solid in a container?

1

Which of the following are incompressible?

1

What is it called when a gas becomes a liquid?

1

Which of the following is a chemical change?

1

Which of the following is a homogenous mixture?