elements
How many valence electrons does Chlorine have?
7
What is the 5 indicators of a chemical reaction?
Color change, temperature change, bubbles being formed, new substance being formed, production of light.
What is the last column called?
Noble Gases
What is a atom?
The smallest particle of an element with all the properties of the element that can combine to form a molecule
The atomic mass for Boron?
11
What does hydrogen peroxide do?
Pushes bacteria out of a wound or cut. It cleans things out.
What is the first element?
Hydrogen
What is a endothermic reaction?
A reaction that uses more energy than it produces, it is usually cold.
What is atomic mass of Phosphorous?
31
What are the reactants and what are the products?
Reactants are one the left side of an equation, and the products are on the right side of an equation.
What is the pattern in the columns?
Valence electrons
What is the Law of Conservation of Mass?
Mass cannot be created nor destroyed
What is the atomic number of Neon?
10
What was the vapor in the sugar lab?
Water vapor
What is the pattern in the rows?
Energy levels
What is homogeneous mixture?
A mixture where all of the components are evenly mixed throughout. Every part of the mixture is the same.
What is the atomic mass of Oxygen?
16
How many carbon atoms are in the sugar lab?
12
How many elements are there?
118
What is a element?
Element is the purest form of matter and cannot be broken down to anymore elements.