1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ann [662]
3 years ago
14

Calcium has an atomic number of 20. How many electrons does calcium lose when forming an ionic bond with another ion?

Chemistry
1 answer:
oksano4ka [1.4K]3 years ago
5 0
2 electrons. it has electron configuration of 2.8.8.2 hence the last 2 will be lost for it to gain stable.
if you need more explanation on periodic table you can reach me at [email protected]
You might be interested in
What is molecular formula
Mazyrski [523]

Answer:a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

Explanation:

3 0
3 years ago
Read 2 more answers
1.25 cm is the same distance as ?<br> 12.5 Km<br> 12.5 mm<br> 12.5 dm<br> 12.5 m
pogonyaev

Answer:

12.5mm

Explanation:

1cm = 10mm

so you need to multiply the 1.25 by 10 to get it in mm.

6 0
3 years ago
What do you understand by shared pair of electron ​
PilotLPTM [1.2K]

Answer:Lone pairs are the valence electron pair of any element which do not take part in bonding but affect the shape of molecules. Bond pairs or shared pairs are the electron pair which does both affect the geometry of molecules and take part in chemical bonding. These are form due to sharing of electrons.

Explanation:

5 0
3 years ago
Why are hydrogen bonds so essential to the structure of dna?
Lelu [443]
Hydrogen bonds<span> hold the paired nitrogenous bases together. Because </span>hydrogen bonds<span> are weak </span>bonds<span>, the two strands of </span>DNA<span> are easily separated a characteristic that is important to </span>DNA's<span> function.</span>Hydrogen bonds<span> form between adenine and thymine and between cytosine and guanine.</span>
4 0
3 years ago
In a calorimeter, the equilibrium temperature of copper in water is determined. if the water is replaced with a liquid that has
Feliz [49]
The equilibrium temperature will increase
4 0
3 years ago
Other questions:
  • The combustion of 44.45 grams of a hydrocarbon gas mixture releases 2,649 kJ of heat. How much energy, in kWh, will the combusti
    12·1 answer
  • I'm in a rush please help
    6·1 answer
  • There are four branched isomers of hexane. draw bond-line structures of all four of its isomers.
    11·1 answer
  • Which forms of energy are used when: (a) you ride in an automobile? (b) you bounce a basketball? (c) you boil water to make hot
    15·1 answer
  • When electrons are removed from the outermost shell of a calcium atom becomes
    11·1 answer
  • Help Asap, timed assignment
    14·2 answers
  • In Fe atom, which subshell experience the lowest effective nuclear charge and are hence the first removed upon ionization?
    15·1 answer
  • Organic compounds that are synthesized by human cells
    5·1 answer
  • Pls help with my fianals​
    6·1 answer
  • What are metals in chemistry
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!