Which pair of elements are the most similar? A. Ca and F B. Na and Cl C. Ne and Ar D. K and Ca

What important processes in your body depend on mitosis

Oxygen has an atomic mass of 16 and an atomic number of 8. how many neutrons are present

The mass of a substance per unit volume

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.

A hunk of up gold weighs 800 gram to heat the gold up to a temperature of 200 Kelvin if the gold absorbs 12 kilojoules of energy what was the initial temperature of the Gold? The specific heat capacity of gold is 0.129 grams times C

What element is likely to form an ionic compound with chlorine?

Will a parachute slow a skydiver more at a very high altitude or a lower altitude?

Carbon monoxide is: Only found in large cities An odorless, colorless, toxic gas Healthy to breath in A danger when driving on the open highway

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

Water is a great solvent. For example, it causes ionic compounds like sodium chloride (table salt) to dissociate. One of these reasons that water does is because it is polar molecule.