Atoms

Front

The positive particles of an atom are ___________.

Back

protons

Front

The center of an atom where its neutrons and protons are is called the _____________.

Back

nucleus

Front

Which is the smallest subatomic particle in an atom?

Back

Electron

Front

Each row in a periodic table is called a

Back

Period

Front

Each column in the periodic table is called a

Back

group

Front

In the modern periodic table, elements are arranged by: atomic mass, atomic number, valence electrons, number of isotopes

Back

atomic number

Front

Which is an electron? Options: A, B, C

Back

A

Front

UP and DOWN columns on the periodic table are

Back

groups

Front

SIDE TO SIDE rows on the periodic table are

Back

periods

Front

How many electrons does Si contain?

Back

14