The answer is (a) 30g. Zinc = 30. 1 mole = 30 x 1 = 30g
Answer:
2.29*10^24 molecules of water
Explanation:
1 molof water =6.022*10^23 molecules of water
therefore
molecules of water = 3.8*6.022*10^23
Answer:
Explanation:
Water is a conductor if it has solutes/ions dissolved in it(tapwater for example)
but pure water is not a good conductor of electricity.
Nails and keychains(made of metal) are conductors of electricity.
Answer:
D. 7
Explanation:
The halogens are found in Group 7 of the Periodic Table. If Bromine is a halogen, then that means it would be found in Group 7. Also, elements in Group 7 have 7 electrons in its outer shell, Bromine would have 7 electrons in its outer shell.
You need to do something like that your self so sorry can help.
