Which subatomic particle will you add or remove from an atom to create a new element

1 protons

2 neutrons

3 electrons

Which equation is balanced? A. Na+F2=2NaF B. Mg+2O2=2MgO C. 2Al+3F2=2AlF3 D. Al+3O2=Al2O3

Identify the compounds that engage in hydrogen bonding as pure liquids. select all that apply.

What is another name for thermal energy?

Write the general chemical formula for an acid, and discuss what each component of the formula represents.

Design a synthesis of 2-chloro-4-nitroanisole from benzene or any mono-substituted benzene. choose the best option for the immediate precursor to the target molecule.

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom

Alka-Seltzer is a solid mixture of two substances, sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7). The substances react to form water, carbon dioxide (CO2), and Na3C6H5O7.

Four properties of water are listed. 1. It is colorless and odorless in its pure form. 2. It reacts with metals to form metal hydroxide and hydrogen gas. 3. When heated to 100 °C, water evaporates. 4. It decomposes to form hydrogen and oxygen.

Water is A. Acidic B. Basic C. Neutral