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yulyashka [42]
3 years ago
15

CHEMISTRY MCQ HELP NEEDED, THANKS!

Chemistry
2 answers:
leonid [27]3 years ago
7 0
D odours
Thats the answer please mark me as brainiest

photoshop1234 [79]3 years ago
7 0

Answer:

D

Explanation:

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Water contrasts on freezing ?
Airida [17]

No. When water first begins to cool down, it contracts. However, as it gets colder and eventually freezes, it begins to expand.

You can test this by freezing water in a water bottle: when you take it out of the freezer, the cap might have popped off or cracks may have formed in the sides of the bottle.

Answer: Water expands when frozen, not contracts.

8 0
4 years ago
Which of the following elements would make a 2- ion? <br> A. N<br> B. O <br> C. Si<br> D. Mg
nataly862011 [7]

Answer:

oxygen

Explanation:

because the 2nd shell is not complete which is suppose to be 8 and since oxygen is 8 it first shell is 2 which is complete and the second shell which is 6 is not complete because we all know that 2+6=8 but the standard shell is

K-2

L-8

M-8

3 0
3 years ago
PLEASE HELP!! 40 POINTS
PSYCHO15rus [73]

Answer:

1) 6.524779402×10^(-17)  

2)521.1g

3)113

Explanation:

5 0
3 years ago
Read 2 more answers
Which of the following Period 4 elements has the most metallic characteristics?
stealth61 [152]
The scale of most metal characteristics goes from the bottom left-hand corner.

The least metallic is the top right-hand.

So then that means that

Calcium-YES, second column
Germanium-No, to far, in the middle
Arsenic-Non-metal,
Bromine, same for this

Calcium
8 0
3 years ago
Read 2 more answers
Help me with this question?!!​
olya-2409 [2.1K]

Answer:

500 mL

Explanation:

Step 1: Find conversions

1 mL = 0.0338 oz

Step 2: Use Dimensional Analysis

16.9 \hspace{2} oz(\frac{1 \hspace{2} mL}{0.0338 \hspace{2} oz} ) = 500 mL

3 0
3 years ago
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