What happens to oceanic crustand mantle after subduction?

What is the electron dot diagram for hydrogen?

Which of the following is formed when a barium atom achieves an octet? Ba Ba2- Ba2+ Ba2

The number of moles of H + ions in a liter of distilled (pure) water is: 1 x 10-7 1 x 10-14 0.5 x 10-7 2 x 10-14 none of these

Herbicides: 1. are used to kill insects 2. can increase crop yields by killing weeds 3. supply plants with nutrients and minerals 4. are only used with hybrid plants

in the reaction a + b - > c the following information applies. at the beginning of the reaction there was 1.0 mol of chemical a and 0.5 mol of chemical c was recovered.

What does the number next to the ion signify?

Write a molecular equation for the precipitation reaction potassium chloride and lead (II) acetate

Which outcome is not caused by gravitational force?

Explain the properties of the substance around us depend on the atoms and molecules that compose them

What is an ion (1 mark) what is the charge on a chloride ion (1 mark) what is an ionic bond (1 mark)