The atomic number of an element is always the same as ___

A. The number of electrons

B. The number of protons

C. The number of neutrons

D. The number of protons plus neutrons

Consider the following reaction. Upper C upper O subscript 2 (g) plus upper H subscript 2 (g) right arrow Upper C upper O (g) plus upper H subscript 2 upper O (l). What is being oxidized? carbon carbon dioxide oxygen hydrogen

What volume will be occupied by. 756 mole of gas at 109 kPa and 30.5 degrees C

Choose the appropriate answer from the following list for this question This is the reason why diamond is so hard. (A) London dispersion forces (B) covalent bonding (C) hydrogen bonding (D) metallic bonding (E) ionic bonding

When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemically. Which property of the unknown element determines the other elements it reacts with?

If cobalt metal is mixed with excess sulfur and heated strongly, a sulfide is produced that contains 55.06% cobalt by mass. Calculate the empirical formula of the sulfide.

2.70 feet is the same as how many cm?

Which two body systems contribute to acid-base balance of blood?

In which phase of matter do the molecules that make up the substance have the greatest kinetic energy

The atoms of the elements in this group are the most chemically reactive of the ones listed.

What is the name of NiI2