Now look closely at the patterns in the table. Compare the elements in each column and row. What can we say about
elements in the same group and elements in the same period of the periodic table?
Select all the correct answers.
1)The number of electrons in the second energy level increases by one down each column.
2)Elements in the same row have the same number of occupied energy levels.
3)For each column, the last occupied energy level has the same number of electrons.
4)The number of electrons in the first energy level increases by one from Li to Ne.
Answers: 1
Chemistry, 21.06.2019 20:30
If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?
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Chemistry, 22.06.2019 01:30
In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l
Answers: 1
Chemistry, 22.06.2019 13:20
Can someone me with 3 and 4 plz. this is for masteries test.
Answers: 2
Now look closely at the patterns in the table. Compare the elements in each column and row. What can...
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