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sleet_krkn [62]
3 years ago
12

Which is true of a molecule?

Chemistry
1 answer:
rusak2 [61]3 years ago
4 0

Answer:

All molecules of a compound have the same properties. The chemical properties of any individual compound would not change. The molecule is one of the smallest particles in any element that has the chemical properties of that element. Molecules are made of atoms.

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Image please. 30 POINTS
Galina-37 [17]
Q14: Our sun
Q15: The strong magnetic reaction in our atmosphere
3 0
2 years ago
Chuck wants to know how many electrons in an atom are not paired up. Which model would be best for Chuck to
loris [4]

Answer:

D. an orbital notation of the atom

Explanation:

Orbital notiation uses lines and arrows to show shells, subshells, and orbitals for electrons in an atom. Since it shows arrows being paired up in this diagram it would be the best model for Chuck to use.

4 0
2 years ago
Water flows over Niagara Falss at the average rate of 2,400,000 kg/s, and the average height of the falls is about 50 m. Knowing
liberstina [14]

Answer:

1. 176 × 10^12 W ; 78400000000

Explanation:

Given the following :

Fall rate = 2,400,000kg/s

Average height of fall = 50m

Gravitational Potential of falling water = mgh = mass × acceleration due to gravity × height =

How many 15 W LED light bulbs could it power?

Recall : power = workdone / time

Workdone = gravitational potential energy

Mass of water = density * volume

Density of water = 1 * 10^3kg/m^3

Rate of fow = volume / time = 2400000

Hence,

Power = 1000 * 2,400,000 * 9.8 * 50

Power = 1176000000000

Power = 1. 176 × 10^12 W

How many 15 W LED light bulbs could it power?

1176000000000 / 15 = 78400000000

= 78400000000 15 W bulbs

4 0
3 years ago
A Metal pan will heat up quickly when placed over a gas or electric burner. The Metal pan is a good what...​
Alik [6]

Answer:

heating up, lol

Explanation:

8 0
2 years ago
What is the number of protons, neutrons, and electrons for isotope (Ta) with a mass number of 181?
ipn [44]

Answer:

Explanation:

Name: Tantalum

Symbol: Ta

Atomic Number: 73

Atomic Mass: 180.9479 amu

Melting Point: 2996.0 °C (3269.15 K, 5424.8 °F)

Boiling Point: 5425.0 °C (5698.15 K, 9797.0 °F)

Number of Protons/Electrons: 73

Number of Neutrons: 108

Classification: Transition Metal

Crystal Structure: Cubic

Density @ 293 K: 16.654 g/cm3

Color: gray

7 0
2 years ago
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