The physical properties of a compound are similar to those of its elements. true or false

In which pair do the particles have approximately the same mass? (1) proton and electron (2) proton and neutron (3) neutron and electron (4) neutron and beta particle

1. Isoelectric means having the same electron configuration as a noble gas. Metals must_ _electrons to get that configuration while non metals must electrons to do so

Urea CO (NH2) 2 as a solid and water as a gas can be made from the reaction of gaseous carbon dioxide and ammonia. If 12.0g of carbon dioxide reacts with 15.

Is it possible to have boiling ice water?

Which statement about activation energy is true? a. It is not affected by catalysts. b. It has no effect on the rate of the reaction. c. It is the energy required to break existing chemical bonds. d. It is the same for all reactants.

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?

Write a brief explanation about why a plant extract is a mixture

What is an element that has more valence electrons than fluorine and less energy levels than sodium?

Why can't we breathe in pure oxygen for long

In warm water conditions, female offspring hatch from eggs laid by painted turtles. Male offspring are produced under cold conditions.