Chemistry, 26.01.2021 14:00 alexshakim8893
Q1;Unstable atoms are unstable due to. *
1 Are unstable because of increasing the number of
2 All of them
3 Are also known to be radioactive atoms.
Q2;Covalent and metallic bonds are known to be formed through sharing the electrons. *
TRUE
FALSE
Q3; Florine (9 e) which belongs to group 17 can also turn into an ion which is . *
1) f +1
2) f -1
3) f
Q4;The is known to be separated from all the elements in the periodic table since it has different/ specific characteristics *
1- Halogen
2- Hydrogen
3- heleium
Answers: 2
Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
Answers: 2
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
Q1;Unstable atoms are unstable due to. *
1 Are unstable because of increasing the number of
Mathematics, 29.10.2019 12:31
Business, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
English, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
Chemistry, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
Mathematics, 29.10.2019 12:31
Chemistry, 29.10.2019 12:31
History, 29.10.2019 12:31
World Languages, 29.10.2019 12:31
Biology, 29.10.2019 12:31