Chemistry: The Periodic Table

14 termsStudBud Administration1,080 plays

In this lesson, you will use the periodic table to identify information about an element and to predict element properties. #science #chemistry

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Questions 14

Answers

1
Which of these pairs of elements have the same number of valence electrons?
oxygen (O) and bromine (Br)
carbon (C) and lead (Pb)
sodium (Na) and magnesium (Mg)
oxygen (O) and carbon (C)
selenium (Se) and bromine (Br)
neon (Ne) and sodium (Na)
2
Which of these elements has four valence electrons?
silicon (Si)
sulfur (S
hafnium (Hf)
radon (Rn)
3
Which of these elements is unlikely to have a reaction with any element or compound?
argon (Ar)
rubidium (Rb)
cobalt (Co)
magnesium (Mg)
4
Which of these elements is a metal?
radon (Rn)
carbon (C)
hafnium (Hf)
selenium (Se)
silicon (Si)
sulfur (S)
5
Which of these elements is an alkaline earth metal?
gallium (Ga)
potassium (K)
calcium (Ca)
chromium (Cr)
6
Which of the following elements is a metalloid?
rubidium (Rb)
radon (Rn)
vanadium (V)
silicon (Si)
7
Which of these pairs of elements have the same number of valence electrons?
berylium (Be) and calcium (Ca)
oxygen (O) and carbon (C)
chlorine (Cl) and helium (He)
phosphorus (P) and chlorine (Cl)
8
The highly reactive elements in group 7A are known for forming salts. What are they called?
metalloids
transition metals
noble gases
halogens
9
Which of these periods contain elements with electrons in s, p, d, and f orbitals?
periods 1–3
periods 6–7
periods 3–5
periods 1–4
10
How does the modern periodic table arrange elements?
by atomic mass
by atomic number
by electron mass
by number of isotopes
11
Which of the following elements is an alkali metal?
germanium (Ge)
calcium (Ca)
potassium (K)
chromium (Cr)
12
Which of these elements has two electrons in its outer p orbitals?
hydrogen (H)
barium (Ba)
helium (He)
nitrogen (N)
sulfur (S)
silicon (Si)
13
Which of these elements has four total electrons in its outer p orbitals?
barium (Ba)
silicon (Si)
sulfur (S)
nitrogen (N)
14
Which of these elements is a noble gas?
krypton (Kr)
sodium (Na)
bromine (Br)
barium (Ba)
nitrogen (N)
hydrogen (H)

Chemistry: The Periodic Table Flashcards | StudBud

Chemistry: The Periodic Table

14 termsStudBud Administration1,080 plays

In this lesson, you will use the periodic table to identify information about an element and to predict element properties. #science #chemistry

Flashcards14 cardsFPractice quizPHost liveL

Questions 14

Answers

1
Which of these pairs of elements have the same number of valence electrons?
oxygen (O) and bromine (Br)
carbon (C) and lead (Pb)
sodium (Na) and magnesium (Mg)
oxygen (O) and carbon (C)
selenium (Se) and bromine (Br)
neon (Ne) and sodium (Na)
2
Which of these elements has four valence electrons?
silicon (Si)
sulfur (S
hafnium (Hf)
radon (Rn)
3
Which of these elements is unlikely to have a reaction with any element or compound?
argon (Ar)
rubidium (Rb)
cobalt (Co)
magnesium (Mg)
4
Which of these elements is a metal?
radon (Rn)
carbon (C)
hafnium (Hf)
selenium (Se)
silicon (Si)
sulfur (S)
5
Which of these elements is an alkaline earth metal?
gallium (Ga)
potassium (K)
calcium (Ca)
chromium (Cr)
6
Which of the following elements is a metalloid?
rubidium (Rb)
radon (Rn)
vanadium (V)
silicon (Si)
7
Which of these pairs of elements have the same number of valence electrons?
berylium (Be) and calcium (Ca)
oxygen (O) and carbon (C)
chlorine (Cl) and helium (He)
phosphorus (P) and chlorine (Cl)
8
The highly reactive elements in group 7A are known for forming salts. What are they called?
metalloids
transition metals
noble gases
halogens
9
Which of these periods contain elements with electrons in s, p, d, and f orbitals?
periods 1–3
periods 6–7
periods 3–5
periods 1–4
10
How does the modern periodic table arrange elements?
by atomic mass
by atomic number
by electron mass
by number of isotopes
11
Which of the following elements is an alkali metal?
germanium (Ge)
calcium (Ca)
potassium (K)
chromium (Cr)
12
Which of these elements has two electrons in its outer p orbitals?
hydrogen (H)
barium (Ba)
helium (He)
nitrogen (N)
sulfur (S)
silicon (Si)
13
Which of these elements has four total electrons in its outer p orbitals?
barium (Ba)
silicon (Si)
sulfur (S)
nitrogen (N)
14
Which of these elements is a noble gas?
krypton (Kr)
sodium (Na)
bromine (Br)
barium (Ba)
nitrogen (N)
hydrogen (H)