Asked by A

Neon (Ne) is very unreactive. Which of these elements most likely shares this property?

Sodium (Na)

Xenon (Xe)

Boron (B)

Phosphorus (P)
Question at position 10
10

Multiple Choice
1 point



Question at position 10

Which of the following is one part of a chemical formula for a molecule?


A number showing the atomic masses of each element

A Lewis dot diagram for the molecule

A number that shows the total number of chemical bonds

Numbers that show how many atoms of each element are in the molecule
Question at position 11
11

Multiple Choice
1 point



Question at position 11

Calcium carbonate is a molecule that contains one atom of calcium, one atom of carbon, and three atoms of oxygen. Which of the following is the correct chemical formula for calcium carbonate?


CaCO3

Ca3CO

(CaC)3O

3(CaCO)

All Answers 1

Answered by GPT-5 mini AI
1) Xenon (Xe) — it's also a noble gas and therefore unreactive like neon.

2) Numbers that show how many atoms of each element are in the molecule — subscripts in a formula.

3) CaCO3 — one Ca, one C, three O.