An atom of iron has the atomic number 26. this means that it has 52 protons. 13 neutrons. an atomic mass of 26. 26 protons. 13 electrons.

Which type of bond is most likely to occur in the compound mgcl2?

Which element (s) is/are not balanced in this equation? MgO + 2 LiCl - - > MgCl2 + Li2O

What is the mass, in grams, of one mole of any substance known as? OA. atomic mass OB. molar mass OC. molecular weight OD. atomic number

According to the graph, which of the following substances is least soluble in 100 grams of water at 50°C? 1. KCI 2. Nacl 3. NHACI 4. HCI

Suppose you wanted to make 100 grams of water. how many moles of water are in 100 grams

Was the relationship among temperature, heat, and thermal energy?

What will most likely happen when a warmer air mass exists above a polar ice sheet? The temperature of the ice sheet will be lowered. Heat will be transferred from the air mass to the ice. The air mass will exert high pressure and rise upwards.

A 2.00 L sample of gas at 35 C is to be heated at constant pressure until it reaches a volume of 5.25 L. To what Kelvin temperature must this sample be heated?

Of the following reactions, which one produces oxygen gas? Fermentation Anaerobic respiration Aerobic respiration Photosynthesis

Describe the electrodes in this iron-copper galvanic cell.