Multiple Choice
Which of the following statements about the periodic table is true?
9
views
2. Atoms & Elements
Periodic Table: Classifications
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following compounds contains a metal?
A
H2O
B
CH4
C
NaCl
D
CO2
Verified step by step guidance1
Identify the elements present in each compound: H2O contains hydrogen and oxygen; CH4 contains carbon and hydrogen; NaCl contains sodium and chlorine; CO2 contains carbon and oxygen.
Recall that metals are elements typically found on the left side and middle of the periodic table, characterized by properties such as conductivity and malleability.
Recognize that sodium (Na) is an alkali metal, which is a metal element, while hydrogen, carbon, oxygen, and chlorine are nonmetals.
Therefore, among the given compounds, only NaCl contains a metal element (sodium).
Conclude that NaCl is the compound that contains a metal.
2:40mWatch next
Master Periodic Table Classifications with a bite sized video explanation from Jules
Start learningRelated Videos
Related Practice
Periodic Table: Classifications practice set
Problem sets built by lead tutorsExpert video explanations