What is an ionic bond? How is an ionic bond done?

What observations can you make about this group of people? Name one inference you can make from your observations.

The grater the viscosity of a liquid the slower it flows. true or false.

Does a compound with a stronger hydrogen bond than water have a higher specific heat than water?

What motivated arrhenius to calculate how changes in carbon dioxide might affect the climate?

A mixture of baking soda is prepared in water. The mass of this mixture is 225g. The original mass of baking soda was 50g. What is the original mass of water to which the baking soda was added? A) 50g B) 175g C) 225g D) 275g

Drinking water may contain a low concentration of lead ion (Pb2) due to corrosion of old lead pipes. The EPA has determined that the maximum safe level of lead ion in water is 15 ppb.

A student examines the temperature and precipitation on a given day using a thermometer and a rain gauge. The student is measuring- A. temperature only B. climate only C. wind speed only D. specific weather conditions

Atoms - 1 2 3 4 Protons - 8 10 9 8 Neutrons - 10 9 9 11 Electrons - 8 10 9 8 Which two are isotopes of one another?

A radioactive isotope has the same number of protons as its stable parent atom, but differs in its number of what?

A student experimentally obtained the density of osmium the densest element as 22.57g/cm3 the density of osmium is reported to be 22.48 g/cm3 determine the student percent error