atoms and elements
100

the _____ determines the identity of an element

A.number of electrons

B.number of protons

c.number of energy levels

D.number of neutrons

B. 

the number of protons determines the identity of an element.

200

sodium is an element found in table salt. It contains 11 protons and 12 neutrons. How many electrons are found in a neutral atom of sodium.

a. 23

b.12

c.11

d.1


C. 

11 electrons are found in a neutral atom of sodium.

300

Which particles are found in the nucleus of an atom?

a. neutrons and electrons

b.protons and electrons

c.neutrons and protons

d. neutrons, protons and electrons 

C.

Neutrons and protons found in the nucleus of an atom.

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