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Olenka [21]
3 years ago
14

When combining with nonmetallic atoms, metallic atoms generally will(a) lose electrons and form negative ions(b) lose electrons

and from positive ions(c) gain electrons and from negative ions(d) gain electrons and form positive ions
Chemistry
1 answer:
Elis [28]3 years ago
7 0

Answer:

(b) lose electrons and form positive ions

Explanation:

<u>Ionic bonding:- </u>

This type of bonding is formed when there is a complete transfer of electrons from one element to another element. In this bonding one element is always a metal and another is a non-metal.

<u>For example, the formation of NaCl</u>

The electronic configuration of sodium with Z = 11 is : 2, 8, 1

The electronic configuration of chlorine with Z = 17 is : 2, 8, 7

<u>Thus, sodium loses one electron and become positively charged and chlorine accepts this electron and become negatively charged and they have both their octets complete and form ionic bond.</u>

Hence, can be seen from the above example, metallic atoms generally lose electrons and form positive ions.

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The methylene chloride solution is filtered through sodium sulfate to:
Vlad [161]

Answer:

C. Dry the methylene chloride by removing water

Explanation:

Anhydrous sodium sulfate is known for its high capacity to absorb water, for this reason it is widely used in laboratories as a drying agent.

Sodium sulfate is a neutral molecule so it cannot be used to neutralize and is very stable, so it is difficult to precipitate organic molecules.

5 0
3 years ago
The mass of water in a single popcorn kernel was found to be 0.905 grams after it popped at a temperature of 175 °C. Using the i
Rus_ich [418]

Answer:

0.583 kilojoules

Explanation:

The amount of heat required to pop a single kernel can be calculated using the formula as follows:

Q = m × c × ∆T

Where;

Q = amount of heat (J)

m = mass of water (g)

c = specific heat capacity of water (4.184 J/g°C)

∆T = change in temperature

From the given information, m = 0.905 g, initial temperature (room temperature) = 21°C , final temperature = 175°C, Q = ?

Q = m × c × ∆T

Q = 0.905 × 4.184 × (175°C - 21°C)

Q = 3.786 × 154

Q = 583.044 Joules

In kilojoules i.e. we divide by 1000, the amount of heat is:

= 583.04/1000

= 0.583 kilojoules

8 0
3 years ago
How would a fast-flowing river be most likely to move sand-sized particles of sediment?
Nitella [24]
A fast-flowing river would most likely be to move the skaters glide around the rink b<span>y lifting it up and carrying it downstream. In a fast-flowing river, the pressure is strong, which makes it easier for sand-sized particles of sediments to be carried or transferred. Hope this answer helps.</span>
3 0
3 years ago
for the given reaction, what volume of o2 would be required to react with 4.8 l of co , measured at the same temperature and pre
SVEN [57.7K]

We can see that 2 moles of The no react with 1 mole of O2 using this equation. 4.8 L NO x 1 L O2 / 2 L NO = 2.4 L of O2 are needed at constant pressure and temperature.

What is an example of pressure?

One can see a simple illustration of pressure by using a knife against a few fruit. If you press the flat side of the knife against the fruit, the top won't be cut. The force is spread more than a wide area (low pressure).

What are different types of pressure?

The physical pressure exerted to an object is referred to as pressure. Per unit area, a parallel force is applied to the surface of the objects. F/A (Force per Area) is the basic formula for pressure.

To know more about pressure visit:

brainly.com/question/12971272

#SPJ4

7 0
1 year ago
Help me solve. Djdjdjfjdkdjdjdkdkckckdkck
ivanzaharov [21]
I would believe it to be 55g. A -> B YIELDS AB. So, 10g + 45g = 55g.
4 0
4 years ago
Read 2 more answers
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