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2 years ago

_____ energy depends on the motion or position of an object.

Chemistry

2 answers:

katen-ka-za [31]2 years ago

6 0

Mechanical energy depends on the motion or position of an object

Dafna1 [17]2 years ago

3 0

Answer: Mechanical energy depends on the motion or position of an object.

Explanation:

Mechanical energy is the energy that is possessed by an object due to its motion or due to its position. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position).

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How many moles are in 3.2x10^23 atoms of francium?

andrew11 [14]

Answer:

i do not know i think the answer is 23

Explanation:

6 0

3 years ago

There are different atoms and each type of atom is called an

Brut [27]

Atoms are made up of protons , electrons and neutrons ..,, Atoms of the same element with different number of neutrons are called isotopes. Saying that substance “contains only one type of atom “ really means that it contains only atoms that all have the same number of protons .

3 0

3 years ago

Please help me if possible

Gwar [14]

Explanation:

RAM={mass number ×relative abundance (%) + mass number ×relative abundance (%)} ÷100%

so take (91.05×20) +(8.95×22)

5 0

1 year ago

I have seven energy levels, but only 1 valence eletron?

Olenka [21]

Answer:

Francium (Fr)

Explanation:

Looking at the periodic table, Francium has 7 energy levels as it is in the 7th Period and is in the 1st Group (meaning it has one electron in the outermost shell) which suggests that it has one valence electron.

Hope this helps and be sure to have a wonderful time ahead at Brainly! :D

3 0

2 years ago

Which metal is more active than H2? (1) Ag (3) Cu (2) Au (4) Pb

astraxan [27]

Answer is (4) - Pb.

According to the reactivity series of elements

- the elements which are above the hydrogen are more reactive than hydrogen.

- the elements which are below the hydrogen are less reactive than hydrogen.

Among the given choices, only Pb is placed above the hydrogen in the reactivity series and rest are below the hydrogen.

Hence, Pb is more active than hydrogen.

5 0

2 years ago