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adell [148]
3 years ago
13

Which of the following is not a compound? HCl Cl2 NaCI CO2

Chemistry
1 answer:
polet [3.4K]3 years ago
4 0

Answer:

CO2 it is an element.

Hope it helps:)

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Neeeeeed helpppppp will give brainiest
Artyom0805 [142]

Answer:

I think it is c

Explanation:

When water turns into water vapor it goes into the air so it must be lighter

5 0
3 years ago
Which of the following is generally FALSE? Group of answer choices Elements in the same group have the same valence electron con
Whitepunk [10]

Answer: Option (c) is the correct answer.

Explanation:

Generally, when we move from top to bottom in a group then there occur increase in the number of electrons due to which there will also occur increase in the number of shells.

As atomic size is the distance between the nucleus and valence shell of an atom. Hence, more is the number of shells present in an atom more will be its atomic radius.

Thus, we can conclude that the statement atomic radius of elements in a group decreases as you go from top to bottom, is generally FALSE.

3 0
3 years ago
Describe some of the dangers of Global warming.
grin007 [14]

Answer:

Increased Heat, Drought, and Insect outbreaks.

Explanation:

Increased heat, drought and insect outbreaks, all linked to climate change, have increased wildfires. Declining water supplies, reduced agricultural yields, health impacts in cities due to heat, and flooding and erosion in coastal areas are additional concerns.

8 0
3 years ago
What is the molar mass of (NH4)3 PO3?
vladimir1956 [14]
133.0873 g/mol

(NH4)3PO3 - molar mass
7 0
3 years ago
Read 2 more answers
How do I explain this? I'm a little stuck. :/
Dimas [21]

Answer:

Not balance.

Explanation:

Chemical equation:

K + Cl₂    →    KCl

The given equation is not balance because there are one potassium and two chlorine atoms on left side of equation while on right side there are one potassium and one chlorine atom present.

Balance chemical equation:

2K + Cl₂    →    2KCl

the equation is balance now because there are two potassium and two chlorine atoms on left side of equation and two potassium and two chlorine atoms are also present on right side.

3 0
3 years ago
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