Please help with #’s 12 ,20,21

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked May 8, 2019 103k views

0 votes

Please help with #’s 12 ,20,21

Chemistry
middle-school

Chris Rymer asked

by Chris Rymer

7.5k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

2 votes

the atomic number
12= Magnesium (Mg)
20= Calcium (Ca)
21= Scandium (Sc)

MastaH answered May 13, 2019

by MastaH

8.7k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Feb 2, 2024 85.2k views

Complete one full circuit of blood flow starting with the aorta and ending at the aorta by filling in the blanks for #s 2 through 16. Use the word bank given. Watch your spelling! Do not use capital letters.

Luciane asked Feb 2, 2024

by Luciane

8.5k points

Biology
high-school

1 answer

3 votes

85.2k views

asked May 20, 2024 29.9k views

Show the easiest way to get the answers and Due in 8 hours. 18 points! Please show your work for each question. #'s 21-28 use the triangle angles sum theorem and other angles' theorem's (vertical angles,

Nami asked May 20, 2024

by Nami

9.3k points

Mathematics
middle-school

1 answer

0 votes

29.9k views

asked Nov 2, 2024 8.9k views

In humans, is there more genetic variation within or between human populations? (Give specific #s)

Javinladish asked Nov 2, 2024

by Javinladish

8.9k points

Biology
high-school

1 answer

5 votes

8.9k views

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Related questions

Other Questions