Which element is an alkali metal?

What are 5 characteristics of a mineral

How do you know which planet is farther away from the sun by years? planet w = 1.9 yrs OR planet x = 11.8 yrs

The table below gives the numbers of protons, electrons, and neutrons in four atoms. Atom Number of protons Number of electrons Number of neutrons 1 39 39 52 2 40 40 50 3 39 39 54 4 40 40 51 Based on the information that is given, which atom in the

One atmosphere (atm) is equal to which of the following? A. 2 kpa B. 760 pascals C. 7.6 mm of mercury D. 760 mm of mercury

What change or changes in the state of a gas bring about each of the following effects? a. the number of impacts per unit time on a given container wall increases. b.

What is the best explanation of why the iron found in the inner core of the Earth remains in the solid state even though the temperature in the inner core is roughly 5700 °C?

If two poisonous elements are combined chemically, which of the following will be true of the resulting compound? The compound will be as poisonous as the elements, based on the chemical properties of the two elements.

Liquid 1 reacts with liquid 2, producing a solid and a gas. using this scenario, which supports the law of conservation of mass?

Based on the measured pH values, identify the liquid tested that is 10 times more acidic than vinegar.

In protein synthesis, how many nitrogenous bases code for a single amino acid?