What is the difference between an element and a compound?

1 answer:

8 0

Basically, an element is made of only one kind of atom, while a compound contains the atoms of two or more elements.

Just to give you a good exaple:

Gold is made of only one kind of atom, so it's considered an element, but water is a mix of hydrogen and oxygen, so it's a compound.

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When you have finished adding the necessary amount of NaOH to your beaker, what color will the litmus paper turn?

Svetllana [295]

Answer: The red litmus paper turns blue on dipping in NaOH solution.

Explanation:

Litmus paper is the indicator that detects the nature of the solution, whether it is acidic or basic.

There are 2 types of litmus paper:

Red litmus paper: This paper will turn blue if it is dipped in basic solution and will remain as such if it is dipped in acidic solution.
Blue litmus paper: This paper will turn red if it is dipped in acidic solution and will remain as such if it is dipped in basic solution.

NaOH is a strong base, so when a red litmus paper is dipped in the beaker having necessary amount of NaOH, the red litmus paper turns into blue.

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3 years ago

Apart from boiling point and flammability, what other quality does the size of the molecules in hydrocarbons affect?

Sonbull [250]

Answer:

Viscosity

Explanation:

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3 years ago

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