Question 1

Which of the following elements is represented by the symbol $$\mathrm{Sn}$$?

Accepted Answer

Tin

Question 2

A patient is diagnosed with anemia due to a deficiency of the element with the symbol $$\mathrm{Fe}. $$Which food should be recommended to increase their intake of this element?

Accepted Answer

Red meat

Question 3

Which of the following pairs is INCORRECTLY matched?

Accepted Answer

Sb — Selenium

Question 4

A chemist is working with a noble gas used in lighting and lasers. Which element is she most likely using?

Accepted Answer

Neon ($$\mathrm{Ne})$$

Question 5

Which element, essential for the formation of bones and teeth, has the symbol $$\mathrm{Ca}$$?

Accepted Answer

Calcium

Question 6

A jewelry manufacturer is deciding between using platinum and palladium. What are the correct symbols for these two elements?

Accepted Answer

Pt and Pd

Question 7

Which of the following elements is a halogen and is commonly used in disinfectants?

Accepted Answer

Chlorine ($$\mathrm{Cl})$$

Question 8

Which element, with the symbol $$\mathrm{Hg}$$, is liquid at room temperature and was historically used in thermometers?

Accepted Answer

Mercury

Question 9

A scientist is studying the radioactive decay of $$\mathrm{Rn}. $$What is the name of this element?

Accepted Answer

Radon

Question 10

Which of the following elements is a transition metal and is commonly used in making stainless steel?

Accepted Answer

Chromium ($$\mathrm{Cr})$$

Question 11

Which element, with the symbol $$\mathrm{K}$$, is essential for nerve function in the human body?

Accepted Answer

Potassium

Question 12

A sample contains the elements $$\mathrm{Zn}$$, $$\mathrm{Cu}$$, and $$\mathrm{Sn}. $$Which of the following is the correct set of element names?

Accepted Answer

Zinc, Copper, Tin

Question 13

Which element, with the symbol $$\mathrm{I}$$, is added to table salt to prevent thyroid problems?

Accepted Answer

Iodine

Question 14

Which of the following elements is a noble gas and is used in high-intensity lighting?

Accepted Answer

Xenon ($$\mathrm{Xe})$$

Question 15

Which element, with the symbol $$\mathrm{Na}$$, reacts vigorously with water to produce hydrogen gas?

Accepted Answer

Sodium

Question 16

A geologist finds a mineral rich in $$\mathrm{U}. $$What is the name of this element, and what is its primary use?

Accepted Answer

Uranium; used as fuel in nuclear reactors

Question 17

Which of the following elements is a metalloid and is commonly used in semiconductors?

Accepted Answer

Silicon ($$\mathrm{Si})$$

Question 18

Which element, with the symbol $$\mathrm{He}$$, is used to fill balloons because it is lighter than air and non-flammable?

Accepted Answer

Helium

Question 19

Which of the following elements is a post-transition metal and is used in solder due to its low melting point?

Accepted Answer

Tin ($$\mathrm{Sn})$$

Question 20

A patient is treated for goiter, a thyroid disorder, by increasing intake of an element with the symbol $$\mathrm{I}. $$Which of the following foods is a good source of this element?

Accepted Answer

Seaweed

Essential Element Names and Symbols for General Chemistry

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