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Periodic Trends: Water reactivity

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Wize University Chemistry Textbook > Atoms, Ions, & Isotopes

The Periodic Table & Properties

2 Activities

Your teacher may have demonstrated the reactions that occur between Alkali elements and water. Which one of these elements is the most reactive?
More The Periodic Table & Properties Questions:
IE, EA and EN
Arrange the following elements in order of increasing metallic character: Fr, Sb, In, S, Ba, Se.
If a new element was discovered below Po in the periodic table, will this element more likely to be a metal/metalloid/non-metal?
Compared to oxygen, would this element be more or less likely to form an ionic bond with lithium?
Practice: Periodic Trends
1. Arrange the following elements in order of decreasing metallic character: Sr, N, Si, P, Ga, Al
2. Compare the 3rd IE of Ca, Sr and Y.
3. Na+ has ionic radius 102 pm and Li has atomic radius 182 pm. Explain.
Atom: Nuclear Notation
Nuclear Notation - Practice Question
How many protons, neutrons and electrons are there in 75As3-?
Answer: There are
33
protons,
42
neutrons and
36
electrons.
Periodic Trends
If a new element was discovered below Po in the periodic table, will this element more likely to be a metal/metalloid/non-metal?
Compared to oxygen, would this element be more or less likely to form an ionic bond with lithium?
Give the name of the element with the symbol Sn:
Periodic Trends: Melting point
Rank the following from highest to lowest expected melting point.
Co Ir Rh Re Os
"The Periodic Table", image retrieved from Chemistry 2e (https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Chemistry2e-OP_QCzV58S.pdf) by Flowers, P et al., is licensed under CC BY.
An element is known to have a mass number of 27.
"The Periodic Table", image retrieved from Chemistry 2e (https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Chemistry2e-OP_QCzV58S.pdf) by Flowers, P et al., is licensed under CC BY.
Periodic Trends: Practice
Which of the choices below correctly identifies the relative size, electron affinity, and ionization energy of ground-state Cs, H, and N atoms?
Periodic Trends: Anomalies
Why is the ionization energy of Be greater than that of B?
Periodic Trends: Ionization energy
Ionization Energy refers to the amount of energy require to do what?