Two atoms of element A unite to form a molecule with the formula A2. The bond between the atoms in the molecule is

1) electrovalent

2) ionic

3) nonpolar covalent

4) polar cavalent

how can we overcome the barriers that impede progress toward a more sustainable renewable energy economy?

Can the groups of the periodic table be numbered in two different ways

Particles in 2.15 moles of gold

When 24 mol of methanol and 15 mol of oxygen combine in the combustion reaction, 2 ch3oh ( g. 3 o2 ( g. → 2 co2 ( g. 4 h2o ( g. what is the excess reactant and how many moles of it remain at the end of the reaction?

What is the difference among the states of matter at the atomic level?

Which of the following is the major advantage of using geothermal energy instead of using coal energy? Choice: You will get a brainliest! If your correct! A. More abundant than coal B. Easier to access than coal C. Releases less carbon dioxide D.

What is berylliums energy levels

What is the SI base unit of temperature? Celsius kelvin coulomb Fahrenheit

What property of an object is expressed by the measurement of an item's mass per unit volume? A. density B. viscosity C. surface tension D. buoyancy

Which type of wave cannot move without a medium in which to travel? Heat waves Light waves Sound waves Transverse waves