How many atoms of chlorine (Cl) are shown below?

5 CaCl2

What are the three sub-types of convergent plate boundaries

Which one is a true statement about exothermic reactions? a. energy from an outside source is continuously being added. b. the reaction container always feels cold. c. the reactants have more heat energy than the products. d.

Explain the solid, liquid, and gas states in terms of volume, shape and movement of particles

How does the weight of your skin compare to the weight of your brain

In an atom, the electron that are the furthest from the nucleus is in highest energy level. ture or false

What's the difference between an iconic bond and a covalent bond? A. an iconic bond Is a bond between charged atoms, while a covalent bond is a bond between neutral atoms B.

4. Given the chemical formulas of the following compounds, name each compound and state the rules applied to determine each name. Score • RbF • CuO • (NH4) 2C2O4 (Note: C2O4 - is called oxalate.)

The earth names for the 30 alien elements in order of atomic number

Worth 30 pts. Liquid vinegar and solid baking soda chemically react to form solid sodium acetate, liquid water, and carbon dioxide gas.

The electron configurations of two unknown elements X and Y are shown. X: 1s22s22p6 Y: 1s22s22p63s23p6 Which statement is most likely correct about the two elements?