[Answered] How many electrons are there in a Ca atom? A) 20 B) 40 C) 21 D) ...

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Author Question: How many electrons are there in a Ca atom? A) 20 B) 40 C) 21 D) ... (Read 40 times)

Yi-Chen

Hero Member
Posts: 550

on: Aug 27, 2018

How many electrons are there in a Ca atom?

A) 20
B) 40
C) 21
D) 60

Question 2

If the pOH of a solution is 9, the H+ = 10-5 M.

Indicate whether the statement is true or false

Question 3

One molecule of oxygen gas has fewer atoms than one mole of ozone gas.

Indicate whether the statement is true or false

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Marked as best answer by a Subject Expert

IRincones

Sr. Member
Posts: 321

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

TRUE

Answer to Question 3

TRUE

Yi-Chen

Hero Member
Posts: 550

Reply #2 on: Aug 27, 2018

IRincones

Sr. Member
Posts: 321

Reply #3 on: Aug 27, 2018

You're welcome

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