Ask a New Question

Calcium has a 2+ charge,

A calcium ion has 20 protons and 18 electrons. Each proton has a +1 charge and each electron has a -1 charge. What is the charge
1. 2 answers
2. asked by robin
3. 1,514 views
Need help with these questions:1.When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the
1. 4 answers
2. asked by mysterychicken
3. 739 views
Shameeka is studying for an exam. She took the notes below about calcium and chlorine, which are known to form ionic bonds.Calci
1. 1 answer
2. 42 views
Calcium has a 2+ charge, and oxygen has a 2− charge. A Lewis dot diagram should contain one calcium atom and one oxygen atom
1. 1 answer
2. 60 views
The calcium ion carries a charge of 2+. The nitrate ion (NO3-) carries a charge of 1-. Which of the following is the correct
1. 2 answers
2. asked by Keri
3. 588 views
What is the electric charge on the calcium ion in calcium chloride, CaCl2?
1. 1 answer
2. asked by Eunice
3. 1,223 views
in the formula for calcium bromide (CaBr2), what does the subscripted two indicate?A. the bromide atom has a charge of 2- B. the
1. 1 answer
2. asked by drew
3. 810 views
How can a growing animal get calcium to make new bone tissue?A. by removing calcium from its bones B. by making calcium from
1. 1 answer
2. asked by Maria Candea
3. 53 views
the recommended daily allowance of calcium is 1.2 g. calcium carbonate contains 12.0 % calcium by mass. how many grams of
1. 1 answer
2. asked by Anonymous
3. 6,817 views
Which is not a factor for why your body needs calcium in significant amounts?A: Calcium is important in blood clotting B:
1. 1 answer
2. 134 views