ERSC181 -WEEK 1 REAL EXAM QUESTIONS WITH 100% RATED
CORRECT ANSWERS (ACCURATELY PASSED) 2025 LATEST UPDATED
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Which two elements are the scarcest in the crust - (ANSWER)potassium and magnesium
The elements on periodic table are arranged is a specific way. How are they arranged -
(ANSWER)by atomic number
The periodic table provides a lot of information. Which of the following is NOT provided by the
periodic table - (ANSWER)isotope number
Put the following in order of their abundance, starting with the MOST abundant: carbon, silicon,
oxygen, iron, and hydrogen - (ANSWER)oxygen, silicon, iron, hydrogen, and carbon
A silicate tetrahedron is composed of what - (ANSWER)one silicon atom and four oxygen
atoms
Of the top elements present on the Earth, which of the following is found is the smallest
quantity—calcium, iron, or magnesium - (ANSWER)magnesium
The top two most abundant elements create which common mineral group -
(ANSWER)silicates
Which type of bond involves the transfer of electrons - (ANSWER)ionic
Which element comprises about 8% of the crust - (ANSWER)aluminum
Which two elements are the most common in the crust - (ANSWER)silicon and oxygen
CORRECT ANSWERS (ACCURATELY PASSED) 2025 LATEST UPDATED
GET A+_| LATEST VERSIONS
Which two elements are the scarcest in the crust - (ANSWER)potassium and magnesium
The elements on periodic table are arranged is a specific way. How are they arranged -
(ANSWER)by atomic number
The periodic table provides a lot of information. Which of the following is NOT provided by the
periodic table - (ANSWER)isotope number
Put the following in order of their abundance, starting with the MOST abundant: carbon, silicon,
oxygen, iron, and hydrogen - (ANSWER)oxygen, silicon, iron, hydrogen, and carbon
A silicate tetrahedron is composed of what - (ANSWER)one silicon atom and four oxygen
atoms
Of the top elements present on the Earth, which of the following is found is the smallest
quantity—calcium, iron, or magnesium - (ANSWER)magnesium
The top two most abundant elements create which common mineral group -
(ANSWER)silicates
Which type of bond involves the transfer of electrons - (ANSWER)ionic
Which element comprises about 8% of the crust - (ANSWER)aluminum
Which two elements are the most common in the crust - (ANSWER)silicon and oxygen