An alpha particle is made up of

A. two protons and two electrons

B. two electrons only

C. two protons and two neutrons

True or false? dry ice subliming (turning from a solid straight into a gas) is an example of a chemical change.

The replacement of hydrogen from water by sodium is an example of

What is the complete ground state electron configuration for the oxygen atom?

What is a specialized

Anytime a compound starts with hydrogen (H) as its cation, the compound must be. A. a base B. an acid C. covalent

What part of an atom bonds with other atoms

For the haber process, n2 + 3h2 → 2nh3, what volume of nitrogen is consumed at stp if you collect 44.8 l of ammonia in excess hydrogen (n = 14 amu, h = 1 amu) ?

Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5

How many moles (precise to the nearest 0.01 mol) of nitric acid are produced from 300.00 mol of nitrogen dioxide?

Write a balanced equation for the complete combustion of pentane, c5h12. do not enter phase symbols. enter the alkane formula as c5h12.