1.state whether the substance is molecular, Ionic, Acid or Element. Write the fo
ID: 823366 • Letter: 1
Question
1.state whether the substance is molecular, Ionic, Acid or Element. Write the formula.
1.sodium chloride
2.calcium carbonate
3.nickel (111) bisulfate
4.sodium hydroxide
5.magnesium slfate heptahydrate
6.carbon dioxide
7.acetic acid
8.carbn
9.calcium sulfate
10.sodium silicate
11.calcium bicarbonate
12,magnesium hydroxide
13,potassium chloride
14.sodium thiosulphate pentahydrate
15.sodium hypochlorite
16.sodium carbonate
17.hydrochloric acid
18.potassium nitrate
19.copper (11) sulfate pentahydrate
20. magnesium
21.magnesium oxide
22.potassium iodide
23.sulphuric acid
24.silicon monocarbide
25.iron
26.calcium hydroxide
27.potassium hydroxide
2.What the formula for the following and state whether it is Molecular, Ionic, Acid
1.S8
2.NH4Cl
3.Name a polyatomic ion that has a positive charge.
4. What are the elements that can be multiatomic, show them in this form.
5.What artificially separates the metals and non-metals
6. Name a polyatomic ion that has a positive charge
Explanation / Answer
1.sodium chloride....NaCl(ionic)
2.calcium carbonate...........CaCO3(molecule)
3.nickel (111) bisulfate..........Ni(HSO4)3 (molecule)
4.sodium hydroxide..............NaOH(base)
5.magnesium slfate heptahydrate...............MgSO4.7H2O (molecule)
6.carbon dioxide................CO2(acid)
7.acetic acid...................... CH3COOH (acid)
8.carbn....................C (element)
9.calcium sulfate................CaSO4 (ionic compound)
10.sodium silicate....................Na2SiO3 (base)
11.calcium bicarbonate............Ca(HCO3)2(ionic)
12,magnesium hydroxide...........Mg(OH)2.(base)
13,potassium chloride...................KCl(ionic)
14.sodium thiosulphate pentahydrate ...........Na2S2O3.5H2O (molecule)
15.sodium hypochlorite..........NaOCl(ionic)
16.sodium carbonate....................NaHCO3 (ionic)
17.hydrochloric acid......HCl (acid)
18.potassium nitrate...............KNO3 (ionic)
19.copper (11) sulfate pentahydrate...............CuSO4.5H2O (molecule)
20. magnesium ..........................Mg (element)
21.magnesium oxide...................MgO (molecule)
22.potassium iodide...............KI (ionic)
23.sulphuric acid................H2SO4 (acid)
24.silicon monocarbide...........SiC(molecule)
25.iron.........Fe (element)..
26.calcium hydroxide..................Ca(OH)2 (base)
27.potassium hydroxide..................K(OH) (base)
2.What the formula for the following and state whether it is Molecular, Ionic, Acid
1.S8......(molecule)
2.NH4Cl.........ionic
3.Name a polyatomic ion that has a positive charge........ammonium ion(NH4+)
4. What are the elements that can be multiatomic, show them in this form...........Oxygen(O3).....sulpher(S8)....
5.What artificially separates the metals and non-metals....zig-zag line in the P-block elements i.e, running from boron to polonium
6. Name a polyatomic ion that has a positive charge......ammonium ion(NH4+)
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