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Tenth Grade (Grade 10) Periodic Table and Elements Questions

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Grade 10 Periodic Table and Elements
Elements in Group 18 on the periodic table are known as                      .
  1. Alkaline earth metals
  2. the Noble Gases
  3. metalloids
  4. transition elements
Grade 10 Periodic Table and Elements
Which statement about nitrogen and phosphorus is not correct?
  1. Both are in the same group of the Periodic Table.
  2. Both are in the same period of the Periodic Table.
  3. Both are non-metals.
  4. Both have the same number of electrons in their outer shell.
Grade 10 Periodic Table and Elements
The alkaline earth metal in period 5 is                .
  1. Vanadium
  2. Niobium
  3. Rubidium
  4. Strontium
Grade 10 Periodic Table and Elements
The sum total of protons and neutrons in an atom is referred to as the                .
  1. atomic number
  2. atomic mass
  3. mass number
  4. molar mass
Grade 10 Periodic Table and Elements
The ionic radius trend for the groups on the periodic table is that                                      .
  1. it increases as you go down the group
  2. it decreases as you go down the group
  3. there is none
  4. they are all the same for one group
Grade 10 Periodic Table and Elements
The ground state electron configuration of Fe is                            .
  1. 1s2 2s2 3s2 3p6 3d6
  2. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
  3. 1s2 2s2 2p6 3s2 3p6 4s2 4d6
  4. 1s2 2s2 2p6 3s2 3p6 4s2
Grade 10 Periodic Table and Elements
Why do alkaline earth metals have similar chemical properties?
  1. The are in the same group.
  2. Their salts are color less.
  3. The have the same number of valence electrons.
  4. They are very reactive.
Grade 10 Periodic Table and Elements
What are the horizontal rows of the periodic table called?
  1. Groups
  2. Lines
  3. Periods
  4. Periodic law
Grade 10 Periodic Table and Elements
Caesium, Cs, is an element in Group I of the Periodic Table. When caesium reacts it forms a positive ion, Cs+. How is a caesium ion formed?
  1. A caesium atom gains a proton
  2. A caesium atom gains an electron
  3. A caesium atom loses an electron
  4. A caesium atom shares an electron
Grade 10 Periodic Table and Elements
Sodium, mercury, argon, and neon are used in the production of lamps. There are fewer safety guidelines regarding the handling of neon and argon than for mercury and sodium. Which of the following best describes the elements within the group of the Periodic Table that contains neon and argon gas?
  1. Gaseous at room temperature and highly reactive with metals
  2. Solid at room temperature and mildly reactive with strong acids
  3. Gaseous at room temperature and mostly unreactive with metals
  4. Solid at room temperature and mostly unreactive with strong acids
Grade 10 Periodic Table and Elements
The atomic number of an atom is always equal to
  1. the number of neutrons
  2. the number of electrons
  3. the number of protons
  4. the number of protons plus neutrons
Grade 10 Periodic Table and Elements
The number of protons in the nucleus of the atoms of an element determines the element's
  1. mass number.
  2. atomic number.
  3. ion charge.
  4. atomic mass.
Grade 10 Periodic Table and Elements
Which of the following statements can be used to describe an element correctly?
  1. a pure substance
  2. matter of one type of atom
  3. can be broken down
  4. all of the above
  5. only a and c
Grade 10 Periodic Table and Elements
A substance that contains only one kind of atom is called a/an                .
  1. mass
  2. shell
  3. compound
  4. element
Grade 10 Periodic Table and Elements
Which of the following element-chemical symbol pairs is matched incorrectly?
  1. Sodium - So
  2. Iron - Fe
  3. Aluminum - Al
  4. Helium - He
Grade 10 Periodic Table and Elements
An atom is electrically neutral if the number of                                            .
  1. electron is equal to the number of neutrons
  2. neutrons is equal to the atomic number
  3. protons is equal to the neutrons number
  4. protons is equal to the number of electrons
Grade 10 Periodic Table and Elements
The atomic number of an element is same as the number of
  1. protons.
  2. neutrons.
  3. protons + electrons.
  4. protons + neutrons.
Grade 10 Periodic Table and Elements
The atomic mass of an element is the sum of                      and                     .
  1. protons / electrons
  2. neutrons / protons
  3. neutrons / electrons
  4. protons / particles
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