How Atoms Bond- pop quiz

What is the center of an atom called?

• nucleus

• shell

• matter

Which of these is located in the nucleus of an atom? (There might be more than one answer.)

• protons

• neutrons

• electrons

Which of these is found in the shells outside the nucleus of an atom?  (There might be more than one answer.)

• electrons

• protons

• neutrons

The atomic number of an element is always equal to ___.

• the number of protons in an atom of that element

• the number of neutrons in an atom of that element

What is the atomic number of iron (Fe)?

• 26

• 55.85

• 27

How many protons does an atom of cobalt have?

• 26

• 58.93

• 27

How many electrons does sodium have?

• 11

• 22.99

How many electrons are there in an atom of chlorine?

• 17

• 35.45

What is the electrical charge of a proton?

• Neutral

• Positive

• Negative

What is the electrical charge of an electron?

• Neutral

• Positive

• Negative