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Sever21 [200]
3 years ago
6

Give the location in the Periodic Table of Elements that have the same number of valence electrons.

Chemistry
1 answer:
Ghella [55]3 years ago
8 0

Answer:

• All groups (columns) have the same number of valence electrons

Explanation:

Every group or column have the same number of valence electrons as a suprise. Every column is aligned in this way.

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3 years ago
(GIVING OUT BRAINLIEST)<br> Compare and contrast the conditions required for snow and rain to form.
Vanyuwa [196]

Answer:

Snow forms when the atmospheric temperature is at or below freezing, and there is a minimum amount of moisture in the air. Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain

Explanation:

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2 years ago
HELP CHEMISTRY PLEASE I BEG U 25 POINTS
andrew-mc [135]

Answer:

The correct answers are given below

Explanation:

1 An increase of one in atomic number and no change in the mass number.

2 All the above statements are correct.

3  A decrease of one in atomic number and a decrease of four in mass number.

4 Have a high neutron to proton ratio.

7 0
3 years ago
1. How would the world be like if the element named Boron did not exist? 2. How would our lives be if the element Boron did not
Flauer [41]
1. The world without boron would be like a "turtle hiding inside it's shell" Almost everything that we need biologically would not be supplied. There would be plant disorder because of lack of boron that is needed for plants growth. And it would be widespread around the world and causes large of scarcity of food production resulting to chain of reaction to other factors that is part of our daily lives. We are not that high-tech as now and the transition of technology would not be as what we would be expecting in the years to come. We may obtain some of it naturally but it would not be enough later on as the population keeps on growing.

2. Life is still life because we still have other resources we need but it would be quite different as Boron plays a vital role since the earth's formation. As it has many uses in the beginning of civilization as we relies on borates for almost everything. Probably, widespread of plant disorder, poor production of food, rampant of sickness may happen, increasing of pestilence that some of the key ingredient of household products relies on it. 
5 0
3 years ago
1. What % of the nation's energy is used by the Industrial<br> Sector?
kari74 [83]

Answer:

Petroleum:92 Percent

Natural Gas:3 Percent

Renewable energy:5 Percent

Explanation:

US primary energy consumption by source and sector (2017)[17]

Supply sources Percent of source Demand sectors Percent of sector

Petroleum

36.2% 72% Transportation

23% Industrial

5% Residential and commercial

1% Electric power Transportation

28.1% 92% Petroleum

3% Natural gas

5% Renewable energy

Natural gas

28.0% 3% Transportation

35% Industrial

28% Residential and commercial

34% Electric power Industrial

21.9% 38% Petroleum

45% Natural gas

5% Coal

12% Renewable energy

Coal

13.9% 9% Industrial

<1% Residential and commercial

91% Electric power Residential and commercial

10.4% 16% Petroleum

76% Natural gas

<1% Coal

8% Renewable energy

Renewable energy

11.0% 13% Transportation

23% Industrial

7% Residential and commercial

57% Electric power Electric power

37.2% 1% Petroleum

26% Natural gas

34% Coal

17% Renewable energy

23% Nuclear electric power

Nuclear electric power

8.4% 100% Electric power  

3 0
3 years ago
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