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RideAnS [48]
3 years ago
11

A milligram is a millionth of a gram true or false

Chemistry
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

false

Explanation:

One gram is equal to 1000 milligrams. One microgram is equal to a millionth of a gram.

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which type of bonding involves sharing valence electrons, but the valence electrons aren't confined to a specific region between
VashaNatasha [74]

Answer:

metallic bonding

Explanation:

Metallic bonding is bonding where electrons exist as "sea of electrons" meaning they can go anywhere in the structure and are not localized in specific place like covalent bonds are sometimes.

8 0
2 years ago
How many moles are present when there are 1.00.1026 molecules of water?
liraira [26]

Answer: 1.00×10^26=1000×10^23

1000×10^23/6.022×10^23=166.05×10^23 moles of water.

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Explanation:

3 0
3 years ago
Which of the following elements is most likely to form a +1 charge?<br><br>Cl<br>Mg<br>Na<br>Li
pogonyaev

Answer:

Na

Explanation:

because sodium has 1 electrons so it loses it to be stable and so have positive charge of 1

7 0
3 years ago
Read 2 more answers
The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.96 mm?
nikitadnepr [17]

Answer:

4960000000 pm

Explanation:

4.96*1000000000= 4960000000

4 0
3 years ago
Read 2 more answers
Determine % yield if a student obtains 45 g of product in an experiment and the theoretical amount is determined to be 50 g. *
ycow [4]

Answer:

90%

Explanation:

Percentage yield = ?

Theoretical yield = 50g

Actual yield = 45g

To calculate the percentage yield of a compound, we'll have to use the formula of percentage yield which is the ratio between the actual yield to theoretical multiplied by 100

Percentage yield = (actual yield / theoretical yield) × 100

Percentage yield = (45 / 50) × 100

Percentage yield = 0.9 × 100

Percentage yield = 90%

The percentage yield of the substance is 90%

6 0
3 years ago
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