Periodic Table of Elements Questions
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
Structure of the Electron Cloud:a. how many electrons are held on each level?b. Where are the valence electrons?c. which electrons are the craziest?
What elements are found to the right of the zigzag line on the periodic table?
Which statement describes the general trends in electronegativity and first ionization energy as the elements in Period 3 are considered from Na to Cl?1) Electronegativity increases and first ionization energy decreases2)Electronegativity decreases and first ionization energy increases 3) Electronegativity and first ionization energy both increase4) Electronegativity and first ionization energy both decrease
Which group of elements contains a metalloid?1) Group 82) Group 23) Group 164) Group 18
A solid element that is malleable, a good conductor of electricity, and reacts with oxygen is classified as a ___________.1) metal2) metalloid3) noble gas 4) nonmetal
What form of carbon is used as a pigment?
Nitrogen is a ____________ at room temperature.
Nitrogen from the air can react with what element to make ammonia for fertilizer?
Which of the following is NOT true of alkali metals?A. They can be cut with a knife.B. They are usually stored in water.C. They are the most reactive of all the metals.D. They can easily give away their outer electron.
The atoms of ___________ have a full set of electrons in their outer level.
What important use do the halogens iodine and chlorine have in common?
The hardest material known is ____________.
The element _____________ can be found as a yellow solid in nature and is used to make sulfuric acid.
The atom of _____________ need to gain only one electron to have a complete outer level.
The low ____________ of helium make blimps and weather balloons float.
Which of the following statements about hydrogen is NOT true?A. It is useful as rocket fuel.B. It is the most abundant element in the universe.C. Its physical properties are closer to those of nonmetals than to those of metals.D. It has two electrons in its outer energy level.
Two rows of transition metals are placed at the bottom of the periodic table to save space. Elements in the first row are called ____________. Elements in the second row are called ________________.
Each element in the Nitrogen Group has ___________ electrons in the outer level.
Which of the following statements about noble gases is NOT true?A. They are colorless and odorless at room temperature.B. They have a complete set of electrons in their outer energy level.C. They normally react with other elements.D. All of them are found in Earth's atmosphere in small amounts.
Some elements, such as ______________, are named after scientists. Others, such as __________________, are names after places.