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PIT_PIT [208]
3 years ago
12

Ill give u brainliest pls help i only have until 1:00!

Chemistry
2 answers:
garik1379 [7]3 years ago
8 0

Astronomers would use astronomical units when measuring objects in a solar system. Lightyears would be used when measuring objects outside of our solar system.

Answer: When measuring in a solar system

gain integrity

OLEGan [10]3 years ago
7 0

Perhaps when they are trying to find the distance of an asteroid to the Earth to find out whether or not it is a hazard to Earth.

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What is the suitable way of investigating the different food colourings in some drinks ?
Firlakuza [10]

Answer:

by using the chromatography you can separate different color

6 0
2 years ago
What is in the space between electrons?
otez555 [7]

Answer:

The empty space between the atomic cloud of an atom and its nucleus is just that: empty space, or vacuum. ... Electrons are thus 'spread out' quite a bit in their orbits about the nucleus. In fact, the wave-functions for electrons in s-orbitals about a nucleus actually extend all the way down into the nucleus itself.

5 0
2 years ago
Which of these atoms has the largest number of neutrons in the nucleus?
viktelen [127]

Holonium and Gadolinium has the highest number of neutrons in the nucleus.

Looking at the atoms listed;

Dysprosium has 66 protons

Holonium has 67 protons

Neodymium has 60 protons

Europium has 63 protons

Gadolinium has 64 protons

Then,

Number of neutrons = Mass number - number of protons

For Dysprosium

157 - 66 = 91 neutrons

For Holonium

162 - 67 = 95 neutrons

For Neodymium

149 - 60 = 89 neutrons

For Europium

148 - 63 = 85 neutrons

For Gadolinium

159 - 64 = 95 neutrons

Hence, Holonium and Gadolinium has the highest number of neutrons in the nucleus.

Learn more: brainly.com/question/14156701

8 0
2 years ago
4
Masteriza [31]
The answer is D. The teacher describes the plant by saying it has leaves, stems, roots, and fruit. stems are vascular tissue so it can't be C, B, or A.
5 0
3 years ago
Read 2 more answers
What are three ways to make a sugar cube dissolve more quickly in water?
Ira Lisetskai [31]
Increase the temperature of water.
Stir the water
Increase the surface area of the sugar cube.
7 0
3 years ago
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