color period 2 red
color group 2 red
color metalloids green in the periodic table
color metals yellow in the periodic table
color non-metals green in the periodic table
color the most reactive metal group yellow and the most reactive nonmetal group green.
Draw a square around valence electrons number in group, 1, 2, 13,14,15,16,17,18
Categorize of the following statements as true for the group and Periods of the periodic table.
Represented by Rows in the periodic table
Represented by up and down columns in the periodic table
Elements have similar physical and chemical properites
The atomic number increases as you move down the row
Elements have similar energy shell number.
The number of valence electrons stay the same
Group
Period
In the Periodic Table, the vertical columns that extend up and down the Periodic Table are called
What makes Noble Gases unique?
Select all true statements about the Alkali Metals.
Rank the folowing elemets as Metals, Nonmetals or Metalloids.
Gernamium (Ge)
Sodium (Na)
Chlorine (Cl)
Oxygen (O)
Boron (B)
Iron (Fe)
Metals
Nonmetals
Metalloids

| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
purple oval | arrow_right_alt | element symbol |
red star | arrow_right_alt | element name |
blue hexagon | arrow_right_alt | atomic number |
| arrow_right_alt | mass number | |
Green square | arrow_right_alt |
Rank the folowing elemets as Alkili Metals or Noble Gases.
Aluminum (Al)
Sodium (Na)
Argon (Ar)
Copper (Cu)
Helium (He)
Francium (Fr)
Alkali Metals
Noble Gases
Rank the elements with Physical and Chemical properites similar to those of Strontium (Sr) or Helium (He)
Magnesium (Mg)
Neon (Ne)
Calsium (Ca)
Barium (Ba)
Argon (Ar)
Krypton (Kr)
Strontium (Sr)
Helium (He)
Rank the elements with Physical and Chemical properites similar to those of Oxygen or Lithium.
Potassium (K)
Sulfur (S)
Sodium (Na)
Selenium (Se)
Cesium (Cs)
Neon (Ne)
Oxygen (O)
Lithium (Li)
Rank the elements with Physical and Chemical properites similar to those of Zinc or Nitrogen
Mercury (Hg)
Sulfur (S)
Cadmium (Cd)
Phosphorus (P)
Antimony (Sb)
Neon (Ne)
Zinc (Zn)
Nitrogen (N)
Which of the following statements best describes reactivity of elements?
Which of the following elements is found in Group 2?
Which element is found in Group 1, Period 2?
Which subatomic particle defines the identity of an element?
How many valence electrons does Sulfur have?
Identify the element with 47 protons
5. Which element has an atomic number of 35 ?

12. What is the symbol for the element in period 7, group 2?

11. Find the atomic number of the element in period 1, group 18.

14. What is the symbol for the element in period 2, group 16?

15. What is the element that is found in period 6, group 18?

16. Which period can you find Helium?

19. What is the atomic number for Neon?

Identify whether the element is a metal or a nonmetal: Hydrogen


Identify whether the element is a metal or a nonmetal: Zinc


Identify whether the element is a metal or a nonmetal: Lithium


Identify whether the element is a metal or a nonmetal: Sulfur


Match the particle with its charge.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Neutron | arrow_right_alt | Positive |
Electron | arrow_right_alt | neutral |
Proton | arrow_right_alt | negative |