Which of these elements in group 1A has the largest atomic radius?

A grapefruit has a weight on earth of 4.9 newtons. what is grapefruit's mass

In the third period of the periodic table, sodium is followed by magnesium, aluminum, silicon, and phosphorus. Which of these elements has the smallest atomic size? A. sodium B. magnesium C. aluminum D. silicon E. phosphorus

How many atoms of calcium are in a unit of calcium phosphate whose formula is Ca3 (PO4) 2? A) one C) three B) two D) four

The rocks and minerals of the Earth consist of compounds.

Where is a "molecular orbital" located specifically?

What type of overall charge, if any, does the balloon in Diagram B have? Explain how you determined your answer.

Move deep below the ocean's surface

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8

A covalent bond is best described as Question 1 options: the sharing of electrons between atoms. the transfer of electrons. a bond between a metal and a nonmetal. a bond between a metal and a polyatomic ion.

From the list below, choose which groups are part of the periodic table