Matter is all around us and is made of atoms. How are atoms of different elements different from each other? How do these differences relate to their properties? HEYALPPP

Answers

Answer 1

Normally, the number of electrons is equal to the number of protons, which makes atoms electrically neutral. The number of protons in an atom is the defining feature of an atom. It's what makes one element different from another. The number of protons in an atom is called its atomic number.

Related Questions

What are fossil fuels composed of? 1.Carbon 2.Nitrogen 3.Oxygen

Answers

Answer:

fossil fuels are composed of Carbon.

Answer: Carbon

Explanation:

Think about a real rocket launching at NASA. What are the action and reaction forces in the launch? Which forces do these action-reaction forces act against? (gravity? Normal force?)

Answers

Answer:

whats the question???

Explanation:

Answer:

the force is the fuel in the rocket that helps it lift off

Explanation:

The forced exerted on an object are shown. If the object moves right, which of the following is a possible value of F? Ignore my answer please help.

Answers

Answer:

Explanation:

Because if it moves to the right, that means F is weak and 6N is STRONK

5N.....................

The evaporation of water is an example of a change in what?

Answers

it’s a change of state! this is when water freezes into ice, ice melts into water, etc.

Water evaporation is an example of a chemical change

A parking lot is going to be 40 m wide and 100 m long. Which dimensions
could be used for a scale model of the lot?
A. 10 cm x 25 cm
B. 100 cm x 300 m
O C. 75 in x 225 cm
D. 25 cm x 75 cm

Answers

Answer: A

Explanation: You need to find the dimensions of the scale model of the lot that can be multiplied equally to get the original length. Basically 40 m and 100 m need to be divided by the same number to make the scale model evenly, and right off the bat you see that 10 and 25 could be multiplied by 4 and equal the original numbers. Hope this helps! Also sorry if it was kinda hard to understand lol, when i explain things its hard to get out of my own head ;P

answer is A. 10cm by 25 cm

What property of matter takes up space

Answers

Answer:

Density

Amount of matter = mass

Amount of space it takes up = volume

Explanation:

Mass is the amount of matter an object has, and volume is the amount of space the matter takes up.

Which would increase the rate of dissolving salt into water? low temperature little to no agitation more surface area darker colors

Answers

Answer:

the answer is more surface area

Explanation:

i took the quiz and got it right

More surface area will help to increase the rate of dissolving salt in water.

What is dissolution?

Dissolution is a process in which a substance is dissolved totally in a solvent or water. It is a process solute dissolve in solvent.

Therefore, More surface area will help to increase the rate of dissolving salt in water.

Learn more about dissolution below.

https://brainly.com/question/1533795

#SPJ2

What converts organic remains into fossil fuels? 1.chemical reaction 2.water 3.heat and pressure

Answers

Answer:

3. heat and pressure

Explanation:

Answer:

3. Heat and Pressure converts organic remains into fossil fuels

Why was the microscope and its improvement an important part of the development of the cell theory?

Answers

Answer:it’s is part of the cell theory because they where studying cells and to see it you need a microscope

Explanation:basically in the answer area

It helps scientists get a closer look at cells. The improvements help thing become clearer which gives a better explanation of the cells to the scientists to help expand the knowledge of the cell theory.

Help please! Science!

Answers

Answer:

My best guess is B. Sorry if I couldn't be of more help but that is the most likely answer.

My request: Please leave a follow, it would help a lot!

It’s b!! thermal energy has very free molecules

Make a list of twenty things in your home that are things you need. These should be things related to supplying you with warmth, food, and shelter

Answers

Water, firewood, clothing, food are just a few hope I helped :))

Answer: If in some sort of survival situation this might be of some help if its not then im not sure

1. Fire starter it is always handy to keep some sort of object that can help with warmth like a lighter matches or flint

2. A first aid kit would also be extremely helpful in case of injury it carries multiple different types of ways to clean a wound and bandage it properly

3. a Compas map or some sort of navigational device would be helpful in case you got lost

4. A phone or any way of communication would be helpful

5. Layers of clothing would be great or some sort of clothing fit for the climate you are in warm insalated clothing for winter and light clothing for heat

6. Rope or cords can be used for many things in the wild much like traps keeping your items or food off of the ground at out of the reach of animals

7. Water carrier and or any sort of water filtration device it is best to keep you from getting dehydrated.

8. A light source like a flashlight

9. Bug spray most insects can carry diseases like mosquitos and malaria

10. Any sort of survival knife bone saw or machete anything that can cut up animals or wooded areas are very helpful

11. Blankets they are very useful in keeping you warm out in the elements

12. Tarps they are best at keeping things dry

13. Batteries and charging devices are also very helpful

14. weapons like guns bow and arrows or knives are also useful

15. Burnable materials like paper cloth and such are useful for starting fires

16. meat is a very good source of protein and can be used to help keep the calorie intake for your body steady

17. berries are good for the sugar intake and as well as the jucie and water stored inside

18. beans are highly nutriocis they hold calcium and iron and can be dried up and stored for later needs

19. Fish it has omega-3 fatty acids which are healthy for your heart and it is high in vitamin b-12

20. oats they lower cholesterol levels and carries essential vitamins needed to keep the body healthy

What is a unit for gas particle pressure? (Choose all that apply)
torr
kPa
mm Hg
atm

Answers

Answer:

The SI unit of pressure is the pascal (Pa), which is equal to one Newton per meter squared (N/m2).

Explanation:

Answer:

All of them are correct

Explanation:

What type of coal has the highest carbon content? 1.Sub-bituminous coal 2.Bituminous coal 3.Anthracite coal

Answers

Answer:

Anthracite coal contains the highest carbon content.

Anthracite, it contains 86%-97% carbon

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