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3 years ago

Which of the following is true of group 6A?

Chemistry

1 answer:

USPshnik [31]3 years ago

7 0

Answer:

The answer to your question is: Includes sulfur and gain two electrons

Explanation:

Includes Chlorine This option is wrong, Chlorine belongs to group VII.

Includes Sulfur This option is true, Group VI includes Oxygen, Sulfur, Selenium, Tellurium.

Gain 2 electrons . This option is true, Elements in group VI have six valence electrons so they gain to electrons to become estable.

Tend to form +2 ions This option is wrong, this elements form -2 ions

Have 5 valence electrons This option is wrong, this elements have 6 valence electrons.

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a scientist finds an organism that has a single cell without a nucleus.This organism was found in pond water.In which KINGDOM do

notka56 [123]

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3 years ago

a cube of iron (cp = 0.450 j/g•°c) with a mass of 55.8 g is heated from 25.0°c to 49.0°c. how much heat is required for this pro

krek1111 [17]

Q = ?

Cp = 0.450 j/g°C

Δt = 49.0ºC - 25ºC => 24ºC

m = 55.8 g

Q = m x Cp x Δt

Q = 55.8 x 0.450 x 24

Q = 602.64 J

hope this helps!

7 0

3 years ago

Read 2 more answers

Each molecule of lycopene contains 40 atoms of carbon (plus other atoms). The mass percent of carbon in lycopene is 84.49%. What

IrinaK [193]

Answer: 568g/mol

Explanation:

It should be noted that there are 40 atoms of carbon in lycopene.

Since mass of 1 carbon = 12g/mol

Mass of 40 carbon atoms = 40 × 12g/mol = 480g/mol

Let the molar mass of lycopene be represented by x.

Therefore the molar mass of carbon = x × mass percent of carbon in lycopene

x × 84.49% = 480g/mol

x × 0.8449 = 480g/mol

x = 480/0.8449

x = 568g/mol

The molar mass of lycopene is 568g/mol

5 0

3 years ago

Janice mixed an orange solution of sodium sulfide with a clear solution of hydrochloric acid. She noticed after a minute that th

ycow [4]

A. Hydrochlori acid must smell like rotten eggs

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3 years ago

On the celsius scale, at what temperature does water boil?

Gnom [1K]

Simple....

On the celsius scale, at what temperature does water boil?

---->>>

D.)100

Thus, your answer.

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3 years ago