List the signs that indicate a chemical change has taken place. What does the presence or absence of these signs tell you about a chemical change?

Explain why aluminum is a substance

Which general trend is found in Period 2 on the periodic table as the elements are considered in order of increasing atomic number?

A is a metrical foot having one accented or long syllable followed by two unaccented or short syllables.

Democritus believed that matter is made up of tiny individual particles known as

What did scientists learn from the information found on seismographs? how deep the ocean is the structure of the Earth's crust the depth and density of Earth's layers the elements present in the interior

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