What charge would an ion have if it had more electrons than protons?

What evidence cause thompson to change dalton's solid sphere model into the plum pudding model?

Who created the periodic table and in what year?

Is dew forming on a leaf a physical or chemical change?

What do the name and formula of a molecular compound describe?

For each of the 3 ionic compounds, select the main group element "X" belongs to ... a) X3PO4 b) CaX2 c) X2 (SO4) 3

How many grams of K2CO3 are needed to prepare a 400.0 mL of a 4.25M solution? 1.7 g 235 g 81.3 g 138 g

A student titrates an unknown amount of potassium hydrogen phthalate (khc8h4o4, abbreviated khp) with 20.46 ml of 0.1000 m naoh solution. khp has one acidic hydrogen. what mass (in grams) of khp was titrated by the sodium hydroxide solution?

Name these Ionic Compounds a. LiCl b. NaCl c. KBr

Period 4 of this periodic table is highlighted. What happens as you move from right to left across the period? The elements become more reactive. The elements change from metals to nonmetals. The elements become less stable.

The process of determines a substance's physical or chemical