Q: what are the mass number and charge of an electron, respectively?

1.4 Explain why it is important to support individuals to challenge information about services that may present a barrier to participation

Why can scientists get energy from plants

All of the rocks (A) are removed from a desert ecosystem, what would happen to the population of the rock dwelling lizards (B) and in turn the animals which eat them? (B) - Biotic (A) - abiotic

Bases produce what in solutions?

Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water. If 1.92 g of sodium sulfate is produced from the reaction of 4.9 g of sulfuric acid and 7.

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?