Periodic Table Elements 1-27

Fill-in-the-blank practice flashcards covering element names, symbols, atomic numbers, and atomic masses from the periodic table notes.

The element with atomic number $1$ and atomic mass $1.0078$ is __________.

Hydrogen

The elements with an atomic number $2$ is __________.

Helium

Lithium ($\text{Li}$) has an atomic number of $3$ and an atomic mass of __________.

$$6.9410$$

The element symbol for Beryllium, which has an atomic mass of $9.0122$, is __________.

$$\text{Be}$$

Boron ($\text{B}$) has an atomic number of $5$ and an atomic mass of __________.

$$10.811$$

Carbon, represented by the symbol $\text{C}$, has an atomic number of __________.

$$6$$

The atomic mass of Nitrogen ($\text{N}$) with atomic number $7$ is __________.

$$14.007$$

The element with atomic number $8$ and atomic mass $15.999$ is __________.

Oxygen

Fluorine ($\text{F}$) has an atomic number of __________.

$$9$$

Neon ($\text{Ne}$) has an atomic number of $10$ and an atomic mass of __________.

$$20.180$$

The element symbol for Sodium, which has an atomic number of $11$, is __________.

$$\text{Na}$$

Magnesium ($\text{Mg}$) has an atomic number of $12$ and an atomic mass of __________.

$$24.305$$

The element symbol for Aluminium with atomic number $13$ is __________.

$$\text{Al}$$

Silicon ($\text{Si}$) has an atomic mass of __________.

$$28.086$$

Phosphorus ($\text{P}$) has an atomic number of $15$ and an atomic mass of __________.

$$30.974$$

Sulfur ($\text{S}$) has an atomic number of $16$ and an atomic mass of __________.

$$32.065$$

The atomic mass of Chlorine ($\text{Cl}$) with atomic number $17$ is __________.

$$35.453$$

Argon ($\text{Ar}$) has an atomic number of $18$ and an atomic mass of __________.

$$39.948$$

Krypton ($\text{Kr}$) has an atomic number of $36$ and an atomic mass of __________.

$$83.798$$