What is an atom? I'll give brainliest.

How many atoms altogether make up one molecule of glucose

Cytoplasm in a plant cell will shrink if the cell is 1. placed in a concentrated salt solution 2. kept warm and moist and in medium light 3. placed in distilled water 4. exposed to a different concentration of nitrogen gas

What experiment did J. J thomson do? A) He suspended charged oil drops in a chamber B) He shot alpha particles through golf foil C) He sent a cathode ray between electrically charged metal plates D) He hit metal plates with light

In which of the following solution would the sugar dissolve the slowest

Which of these cannot be decomposed into simpler substances?

List four common signs that a chemical reaction has occurred.

How does water evaporate from: (different things)

The molar mass of NH3 is 17.03 g/mol. The molar mass of H2 is 2.0158 g/mol. In a particular reaction, 0.575 g of NH3 forms. What is the mass, in grams, of H2 that must have reacted, to the correct number of significant figures?

Which is more electronegative: nitrogen, phosphorus, carbon, or silicon?

Which two elements are the most abundant in the Earth's crust?