Chemistry High School

1. What are commonly called as "shooting stars"?
A. asteroids
B. comets
C. meteors
D. meteorites

2. What are found in the circular or somewhat like "doughnut-shaped"
region between Mars and Jupiter?
A. asteroids
B. comets
C. meteors
D. meteorites

3. Which Near-Earth Objects (NEO) are found on the Kuiper Belt and Oort
Cloud?
A. asteroids
B. comets
C. meteors
D. meteorites

4. What are comets made of?
A. dust only
B. metal only
C. dust and metal
D. dust, metal, and ice

5. What do you call the shining "head" around a comet?
A. coma
B. crown
C. halo
D. ring​

Answers

Answer 1

Answer:

I hope I can help you

I hope I can help you

1. What Are Commonly Called As "shooting Stars"?A. AsteroidsB. CometsC. MeteorsD. Meteorites2. What Are

Related Questions

How many grams are there in 3.4 x 10^24 atoms of He?

Group of answer choices
2.07
5.7 g
0.57 g
20.7

Answers

Given :

Number of He atoms, [tex]n = 3.4\times 10^{24}[/tex] atoms.

To Find :

How many grams are their in given number of He atoms.

Solution :

We know, molecular mass of He is 4 g. It means that their are [tex]6.022 \times 10^{23}[/tex] atoms in 4 g of He.

Let, number of gram He in [tex]3.4\times 10^{24}[/tex] atoms is x , so :

[tex]x = \dfrac{3.4\times 10^{24}}{6.022\times 10^{23}}\times 4\\\\x = $$22.58\ g[/tex]

Therefore, grams of He atoms is 22.58 g .

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