Draw the electron-dot structure for chclo. draw the molecule by placing the atoms on the grid and connecting them with bonds. include all lone pairs of electrons.

List three methods that scientists can use to develop organisms with desirable traits.

Use the drop-down menus to identify the effect of each mutation. A mutation that causes a human to have eleven toes is. A mutation that causes a desert snake to have sand-colored scales is.

16) The mass number of an element whose atoms have 12 protons and 13 neutrons is_ a) 12 b) 13c) 25 d) 12.5

Beryllium, Be, and chlorine, Ci, form a binary ionic compund with a one-to-two ration of beryllium ions to chloride ions. The formula for the compund is A) Be2Cl B) BeCl C) BeCl2 D) Be2Cl2

What will most likely happen if a sound wave moves from the air through a solid? a. it will increase wavelength b. it will decrease in speed c. it will increase in speed d. it will decrease in wavelength

Which choice represents a pair of resonance structures? Note that lone pairs have been omitted for clarity. View Available Hint (s) Which choice represents a pair of resonance structures? Note that lone pairs have been omitted for clarity. a.

mmonia, NH3, is used in numerous industrial processes, including the production of pharmaceuticals such as sulfonamide and antimalarials and vitamins such as the B vitamins.

2 NaOH what are the number of atoms

The Arrhenius theory explains the behavior of (1) acids and bases (2) alcohols and amines (3) isomers and isotopes (4) metals and nonmetals

Dalton's atomic theory