studyeast studyeast

21-10-2018
Chemistry

contestada

Both of calciums electrons are in its innermost shell. Explain why.

Respuesta :

theresanunez theresanunez

29-10-2018

The atomic number of calcium is 20 which means it has 20 protons and as an atom (not an ion) it also has 20 electrons. These are in four energy levels (1 though 4) .

Answer Link

Otras preguntas

Select the correct answer from each drop-down menu. congress passed the command of the army act to limit johnson’s power. it instructed the president to issue o

Select the correct comparison. Set A Set B A. The typical value is greater in set B. The spread is greater in set A. B. The typical value and the spread are bot

17 ≤ e + 14 Help me solve this one step inequalities problem please!! ( an actual answer not if it’s true or false! )

james got 19 questions right on a math test. These questions made up 76% of the test.How many questions were there on the test?

For his birthday, Tyrone's parents gave him $7,790.00 which they put into a savings account that earns 15% interest compounded monthly. When Tyrone started coll

.....................................89999999999..........

can you please help me??

What caused congress to pass the war power resolution?

someone please help me to learn new things i am a 5th grade student and im hoping to learn new things in math

Do mutations always lead to evolution? (1 point) A. O No, because some mutations happen in body cells, so they are not passed on. B. No, because most mutation