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timama [110]
3 years ago
9

CAN SOMEONE HELP ME ON SCIENCE?!!! I NEED HELP. ITS JUST TRUE OR FALSE. I DONT UNDERSTAND. PLZ HELP ME!! TODAY. 1-6. I AINT CHEA

TING. THERE IS ACTUALLY 15 QUESTIONS BUT I JUST NEED THIS 6. PLZ HELP!!!

Chemistry
1 answer:
Aleksandr-060686 [28]3 years ago
3 0
Hi sorry i dont know this i know alot about science but i dont know this
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Which elements have two valence electrons?
lora16 [44]

Answer:

Magnesium

Explanation:

Magnesium is in group 2 of the periodic table. The group in which an element is found in tells us the number of valence eletrons it has.

HOPE THIS HELPED

7 0
3 years ago
Which of the following is NOT a true statement about liquids?
Nookie1986 [14]

Answer:

4

Explanation:

1 is correct

Liquids have no definite shape as they take up the shape of the container. Thus, we can say a liquid has no shape of its own but rather has the shape of the container in which it is filled.

2 is correct

When the atmospheric temperature is increased, it also will increase the boiling point of the liquid

3 is correct

This is an extension of the statement 2. While we decrease the atmospheric pressure, we are also decreasing the boiling point

4 is incorrect

A liquid have a definite volume. When we say a volume is definite, it means the volume is fixed and does not change. The volume of liquids is definite for a particular mass of the liquid and does not change

8 0
3 years ago
How many moles of H, O can be formed from 3.02 x 1023 atoms of NH from the
Yanka [14]

Answer:

Hey, I don't know but try 10+ (h) + 5 ), 79

6 0
3 years ago
You operate a nuclear reactors and want to use fissionable mass that will sustain a slow control what type of mass will you use
puteri [66]

Answer: I believe it is critical mass

Explanation:

3 0
2 years ago
Can someone please help me with this asap, it’s due today please help me
hammer [34]

Answer:

lol I hate chemical but let me give some advice

Explanation:

Please go on Khan Academy or look at your notes and I promise you can figure out! Seriously, I am trying to be helpful not like the annoying teacher that says "figure it out"

7 0
3 years ago
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