Chemistry, 12.01.2021 03:20, paigefields2578
Circle the element in each of the following pairs with the greater atomic size:
a) sodium or lithium
b) silicon or magnesium
c) carbon or boron
d) selenium or oxygen
Answers: 3
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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Chemistry, 22.06.2019 10:30, officialalex6330
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
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Chemistry, 22.06.2019 11:00, peternice2956
Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.
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Circle the element in each of the following pairs with the greater atomic size:
a) sodium or l...
a) sodium or l...
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