You are not logged in.

81

Friday, September 11th 2020, 3:33pm

How many % alcohol should a liquid contain in order to have a disinfectant feature?


Hmm, seems like depends on which you wann kill with it, as on german pages it sais 62%,
on english it sais "The Centers For Disease Control (CDC) recommend alcohol at a concentration of 50%-70%"

82

Friday, September 11th 2020, 3:38pm

How many % alcohol should a liquid contain in order to have a disinfectant feature?


Hmm, seems like depends on which you wann kill with it, as on german pages it sais 62%,
on english it sais "The Centers For Disease Control (CDC) recommend alcohol at a concentration of 50%-70%"
Yes i forgot asking for covid xd it was %70
So your answer is correct

83

Friday, September 11th 2020, 3:46pm

what is the atomic number of phosphorus?

84

Friday, September 11th 2020, 3:49pm

atomic number of phosphorus


Symbol "P"
Number 15

85

Friday, September 11th 2020, 3:57pm

atomic number of phosphorus


Symbol "P"
Number 15
Is correct.

86

Friday, September 11th 2020, 4:05pm

A volume of 500 mL is equivalent to


a. 5 L
b. 50 L
c. 0.5 dL
d. 0.5 L
e. 500 dL

87

Friday, September 11th 2020, 4:09pm

d. 0.5 L

89

Friday, September 11th 2020, 4:15pm

What is electron configuration for copper without using noble gases?

90

Friday, September 11th 2020, 4:39pm

What is electron configuration for copper without using noble gases?
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^1

91

Friday, September 11th 2020, 4:45pm

What is the electron configuration of phosphorus without using noble gases?

92

Friday, September 11th 2020, 4:45pm

What is electron configuration for copper without using noble gases?
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^1
Good question :D i am remember :angel: :angel:

93

Friday, September 11th 2020, 4:46pm

What is electron configuration for copper without using noble gases?
Invalid question..
What is electron configuration for copper without using noble gases?
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^1
A magmar may answer a human question xd

94

Friday, September 11th 2020, 4:47pm

What is electron configuration for copper without using noble gases?
Invalid question..
What is electron configuration for copper without using noble gases?
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^1
A magmar may answer a human question xd
:shock: i think is magmar...sorry sorry

95

Friday, September 11th 2020, 5:15pm

which compound using for turn glass into mirror

96

Friday, September 11th 2020, 5:15pm

What is the electron configuration of phosphorus without using noble gases?

























































































































[Ne] 3s2 3p3

take NE out

=3s2 3p3

97

Friday, September 11th 2020, 5:18pm

What is the electron configuration of phosphorus without using noble gases?













































[Ne] 3s2 3p3

take NE out

=3s2 3p3
Ne has own electron configuration and he asking for Ne conf + 3s2 3p3 xd

98

Friday, September 11th 2020, 5:18pm

How many elements start with "V" like VerginaSun?
Didnt see my question :grr: :stronger:

99

Friday, September 11th 2020, 5:24pm

What is the electron configuration of phosphorus without using noble gases?

























































































































[Ne] 3s2 3p3

take NE out

=3s2 3p3
The answer is: 1s^2 2s^2 2p^6 3s^2 3p^3

this tell without noble gas. :D

100

Friday, September 11th 2020, 5:24pm

which compound using for turn glass into mirror


chloride and silver nitrate