Chemistry, 20.10.2019 07:50 Cartucho1978
For each of the three ionic compounds, select which main group x belongs to.
(a) x3po4 (b) cax2 (c) x2(so4)3
group 1a (1) group 1a (1) group 1a (1)
group 2a (2) group 2a (2) group 2a (2)
group 3a (13) group 3a (13) group 3a (13)
group 4a (14) group 4a (14) group 4a (14)
group 5a (15) group 5a (15) group 5a (15)
group 6a (16) group 6a (16) group 6a (16
group 7a (17) group 7a (17) group 7a (17)
group 8a (18) group 8a (18) group 8a (18)
Answers: 3
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
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Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
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For each of the three ionic compounds, select which main group x belongs to.
(a) x3po4 (b) cax...
(a) x3po4 (b) cax...
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