Which compound contains ionic bonds?

1. N₂O

2. Na2o

3. co

4. CO2

Approximately what percentage of bound oxygen is released to the cells for metabolism during an erythrocyte's journey through the circulatory system?

What might happen to an organism if its habitat could not meet one of its needs?

Will mark brainliest 35 pts 1. What happens to the soft-drink solution when you increase the amount of powder in a given amount of water? 2. How could you tell which of two different soft-drinks solutions are more concentrated? 3.

In which geologic era were the dinosaurs? A. Mesozoic B. Precambrian C. Cenozoic D. Paleozoic

Based upon location in the periodic table, the formula for beryllium (Be) chloride (Cl) is: a Be2Cl b Be2Cl3 c BeCl2 d Be3Cl4

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?

What are facts on osmosis?

If a map of temperature displayed stripes parallel to the equator with equal temperatures at equivalent distances north and south of the equator, it would mean that only blank affected temperature.

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density