Answer: Carbohydrates (carbo- = “carbon”; hydrate = “water”) contain the elements carbon, hydrogen, and oxygen, and only those elements with a few exceptions. The ratio of carbon to hydrogen to oxygen in carbohydrate molecules is 1:2:1.
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CAN U GIVE ME BRAINLIEST
A physical change.
Physical change = can be reverted + doesn't change substance
Chemical = changes substance
Answer:
Metalloids, also known as semimetals are elements containing properties similar and midway between metals and nonmetals. They are found to divide the periodic table between the metals on the left and the nonmetals on the right. Metalloids often have the following properties: could be dull or shiny.
160.0g
Mass =volume x density = 200.0 mL x 0.8 g/mL= 160.0 g
