which subatomic particle has a positive charge?

Which subatomic particle has a negative charge?

Select the subatomic particles that are tightly bounded in a tiny nucleus.

What is located in the center of the atom with the electrons moving in random patterns in the space around it?

How is the periodic table arranged

The horizontal rows on the periodic table are called.

How do you know the number of protons and electrons in an atom/

Select what is true for the families on the periodic table.

What type of elements are located on the zigzag on the periodic table?

When looking at the periodic table, what is found on the right side of the zigzag?

select the items from the periodic table that tells you how many valence electrons are in element.

Matter can be classified as ________ and _________.

which mixture is not uniform throughout, the component substances can be visibly distinguished?

Which type of mixture is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished?

What is a pure substance that is composed of two or more atoms that are chemically combined?

what is a pure substance that cannot be changed into a simpler substance and is composed of one kind of atom?

Select the different ways that mixtures can be separated.

What is composed of two or more different substances that retain their own individual properties and are combined physically (mixed together)?

What is formed when metals react with nonmetals and electrons are transferred from the metals to the nonmetals?

What is forms when two or more nonmetals form compounds and share electrons ?

what uses element symbols from the periodic table and numerical subscript to depict the name and number of atoms of each in the compound?

which of the following are a diatomic molecule?

How many hydrogen atoms are in H₂O?

which chemical formulas are ionic bonds?

which of the following chemical formulas are covalent bonds?

What is not physically property of nonmetals?

What physically property of metals has a shiny surface or reflecting light brightly?

what physically property of metals has the ability to hammered into different shapes?

What physical property can be used to identify a substance temperature at which a solid can change to a liquid?

What physical property can be used to identify a substance temperature at which a liquid changes from a liquid to a gas?

How is density calculated?

If the density of an object is 20 grams and the volume of the same object is 10 mL, what is the density of the object?

what has a bitter taste and slippery texture?

What has a sour taste and sticky texture?

what is form when neutralization occurs between and acid and base?

pH of an acid is ..

pH on a base is ....

pH of a neutral is ...

what are the 3 types of indicators that detect an acid, base, and neutral?

blue litmus paper turns _______ in an acid, and stays _____ blue in a base.

Phenolphthalein is used to test for the presence of a(n) ____ and turns magenta.

What is the reactant of this chemical equation?

2H₂ + O_{2 -------->} 2H₂O

How many hydrogen atoms are there on the product side?

2H₂O ------> 2H₂ + O₂

Does the chemical equation support the Law of Conservation of Matter and how do you know?

NaCl + 2H₂ -------> 2NaH₂CL