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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 DCMaxxx
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2 Answers

15 votes
15 votes

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 Pramod H G
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22 votes
22 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 Amance
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