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Sauron [17]
3 years ago
14

Help, also brainly dont be mean and delete this.

Chemistry
1 answer:
n200080 [17]3 years ago
8 0

Answer:

I dont understand what is the question you need help on-

Explanation:

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How does an atom of one element differ from the atom of another element?
Temka [501]

Explanation:

The atoms of one element differs from the atoms of other elements in terms of the number of protons they contain. This is often taken as the atomic number of such an atom.

  • The number of proton is the best indicator of the atom one is dealing with.
  • Based on this number, elements are categorized into distinct columns and rows on the periodic table.
  • The atomic number is the number of protons or positively charge particles in the atom.

II.

It is possible to change the identity of an atom. This is only possible by altering the atomic number of the atom.

Only nuclear reactions have this capability.

When an atom undergoes nuclear reaction that involves change in number of protons, transmutation occurs and a new atom forms.

8 0
3 years ago
How many moles of tin atoms are there in 250 grams of tin?
joja [24]

250gTi x (1mol/47.87 [molar mass]) =5.22247 moles

4 0
3 years ago
A scientist formulates the following hypothesis: If plants of the same species
Blababa [14]

Answer:

Growth rate

Explanation:

The responding variable, also known as the DEPENDENT VARIABLE, is the variable that responds to changes or manipulations made to another variable (independent or manipulable variable) in the experiment. It is the measured variable of an experiment.

According to the hypothesis provided for this investigation, the scientist wants to determine if the amount of fertilizer plants of the same species receive will affect their growth rate when planted in the same condition. This shows that the independent variable is the amount of fertilizer to be used while the RESPONDING VARIABLE OR DEPENDENT VARIABLE is the GROWTH RATE OF THE PLANTS because it responds to the amount of fertilizer.

7 0
3 years ago
Which is also known as artificial (synthetic) silk​
vodka [1.7K]

Answer:

Rayon is a synthetic fiber or man-made fiber or artificial fiber as it is prepared from the natural raw material called cellulose. ... The kind of rayon fibers which imitate the feel and texture of natural silk is therefore termed as 'artificial silk'.

7 0
2 years ago
How many moles are in 432 g of Ba(NO3)2?
Artist 52 [7]

Answer:

432/261.337=1.65 moles

Explanation:

4 0
3 years ago
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