Elements listed in vertical columns of the periodic table:

have similar chemical properties

have similar physical properties

are metals

can combine with each other chemically

What do plants need to grow?

What is the maximum amount in moles of P2O5 that can theoretically be made from 112 g of P4 and excess oxygen?

Explain why the freezing of water into ice causes the cracks to widen

A stream flowing at a velocity of 75 cm/s can transport

Select the correct value for the indicated bond angle in each of the compounds. 90°, 180°, 109.5°, 120°, <120°, <109.

Which is the molar mass of BF3?

Mg3 (Si2O5) 2 (OH) 2 There are. 0893 moles of magnesium how many moles of silicon are there in the sample?

The volume of a gas is reduced from 4 L to 0.5 L while the temperature is held constant. How does the gas pressure change? It increases by a factor of two. It increases by a factor of eight. It decreases by a factor of eight.

Write the complete balanced equation for the decomposition of sodium chloride (NaCl)

What is the term for the different phases water can take?