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Which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)?

(1 point)

Rubidium has fewer protons and fewer electrons than calcium.
Rubidium has fewer protons and more electrons than calcium.
Rubidium has more protons and fewer electrons than calcium.
Rubidium has more protons and more electrons than calcium.

User Guannan He
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2 Answers

1 vote

Answer:

Rubidium has more protons and more electrons than calcium.

Step-by-step explanation:

for connexus honors chemistry unit 3 lesson 3 quick check :)

User Srboisvert
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7 votes

Answer

#1. number of valence electrons

#2. oxygen

#3. Rubidium has more protons and more electrons than calcium.

#4. 20

#5. helium (he)

Step-by-step explanation:

User Boschman
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