Astronomy
What is a star?
a natural luminous body.
Are two atoms of the same element identical?
no
Why do stars twinkle?
due to the effects of the Earth's atmosphere.
How many alcoholic drinks does it take to affect your brain?
1
How far is the closest star?
4.24 light-years away.
How is matter held together?
Chemical bonds
What are constellations?
a grouping of stars which form a pattern in the sky.
Is HF a weak or strong acid
weak
Why are the stars so far away?
Because if the stars were much closer, Earth wouldn't exist.
how is ionic and covolent bonds formed?
when two or more ions come together.