An atom with 16 protons must be:

A. oxygen

B. selenium

C. sulfur

D. can't tell

Atoms of the same element are alike because they must have the same number of

A substance is said to be what when it when it is able to remove sufficient water from the air to dissolve completely and form a solution

Select the single best answer. Consider the following half-reactions: MnO4 - (aq) + 8H + (aq) + 5e-→ Mn2 + (aq) + 4H2O (l) NO3 - (aq) + 4H + (aq) + 3e - → NO (g) + 2H2O (l) Will NO3 - oxidize Mn2 + to MnO4 - under standard-state conditions?

What did Bohr's model of the atom include that Rutherford's model did not have?

What is the tool to determine the relative size of things

0.402 L = 402 mL 0.0202 L = 20.2 mL 3.6 L = 360 mL 11.1 L = 11,100 mL

Which is one possible way the digestive system works together with other body system

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?