What does the color red means

Give the formula and name for the iconic compounds formed from the following pairs of elements: A. Potassium and chloride, the main ingredients in salt substitutes used by people on low-sodium diets B.

Which is a characteristic of glacial movement? A. The zone of wastage is at the top of the glacier. B. Movement depends on the balance between accumulation and wastage. C. New snowfall accumulates in a zone at the bottom of the glacier.

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas.

The table shows the total number of electrons in Atom A and Atom B. Atom Number of Electrons A 10 B 18 Which statement is correct? A will give up electrons to form bonds. B will give up electrons to form bonds.

Read the list of common household substances. Antacid, orange juice, toothpaste, yogurt Which of these substances are likely to have a sour taste? A. Antacid, yogurt B. Antacid, toothpaste C. Orange juice, yogurt D. Orange juice, toothpaste

A particular voltaic cell operates with the reaction: Zn (s) + Cl2 (g) - -->Zn^2 + (aq) + 2Cl^ - (aq) giving a cell potential of. 853 V. Calculate the amount of energy liberated from the cell when 20.0g of zinc metal is consumed?

What is the difference between the 3p sublevel and the 4p sublevel? On the periodic table

3. Infer A forgotten ice pop lies melting on a deck on a hot summer day. What is the direction of heat flow as the ice pop melts? Is the process endothermic or exothermic? Explain.

How do ionization energies provide evidence for the quantization of the energies of electrons?

What causes lightning? a) thunder b) an electric discharge c) rising warm air d) air masses meeting