Calcium (Ca) has an atomic number of 20. What is calcium's ground-state electron configuration? 1s21p61d101f2 1s21p62s22p63s23p2
1s22s22p63s23p64s2 1s22s22p63s23p63d2
2 answers:
Electron configuration:
The arrangement of electrons in an atom by a superscript, in each sublevel is known as electron configuration.
The electronic configuration of Ca is as follows:
Ca: 20
1s22s22p63s23p64s2.
The answer is C) 1s22s22p63s23p64s2
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Answer:
4.4g
Explanation:
Mass of CaCO3 = 10g
Mass of CaO = 5.6g
Mass of CO2 =?
Mass of CaCO3 = Mass of CaO + Mass of CO2
Mass of CO2 = Mass of CaCO3 — Mass of CaO
Mass of CO2 = 10 — 5.6
Mass of CO2 = 4.4g
<h3>
Five Examples of Salts </h3>
- Sodium Chloride.
- Sodium chloride (NaCl) is the most common type of salt in our lives.
- Potassium Dichromate. •
- Potassium dichromate (K2Cr2O7) is an orange-colored salt composed of potassium, chromium and oxygen.
- Calcium Chloride.
- Sodium Bisulfate.
- Copper Sulfate.
Answer:
101325 pascal
Explanation:
i dont cap
Well, I say the answer is Thermosphere! Hope I helped :)
