Which describes the volume of 1 mol of gas at standard temperature and pressure?
- O The volume is greater for a larger mass of gas.
O The volume is the same for any gas.
O The volume depends on the size of the container.
O The volume varies with the pressure.
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atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

answer: gold foil experiment - he shot alpha particles at a gold foil

explanation:

rosa was looking for patterns to predict the products of chemical reactions. she recorded three similar decomposition reactions in the table.she should record 2licl + 3o2.

in the last row of the table. it is the thermal decomposition of chlorate lithium, hence, she should record these products as: lithium chloride ( 2licl ) and oxygen ( 3o2 )   2 > 2 licl + 3o2.