Science 10-PRETEST-Q2
Quiz by JOCELLE VISTAL
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
The spin quantum number of an electron can be thought of as describing _______.
the electron's exact location in orbit.
the direction of electron spin.
whether the electron's charge is positive or negative.
the number of revolutions the electron makes about the nucleus per second
30s - Q2
How many electrons from the outermost shell does a 4s orbital possess?
2
5
4
3
30s - Q3
Which set of quantum numbers uniquely defines one of the electrons in an atomic orbital with n = 2 and l = 0?
n = 2, l = 0,ml = 1, ms = +½
n = 2, l = 0, ml = 0, ms = +½
n = 2, l = 0,ml = 1, ms = +1
n = 2, l = 0,ml = 0, ms = +1
30s - Q4
What is the electron configuration for nitrogen, atomic number 7?
1s2 2s2 2p1
1s2 2s2 2p2 3s1
1s2 2s3 2p2
1s2 2s2 2p3
30s - Q5
Which of these d-orbitals contains both paired and unpaired electrons?
30s - Q6
How many valence electrons does Boron have?
one
four
two
three
30s - Q7
Covalent and ionic bonding produce certain types of compounds that have different properties. What is the general term used for all the compounds with the covalent bonds?
compound
molecule
none of the choices
atom
30s - Q8
Non-polar covalent bonding involves the equal sharing of electrons between atoms to attain stability. Which of the following compounds will have non-polar covalent bonding?
NaCl
O2
CH4
HCl
30s - Q9
Electrical and thermal conductivity is one of the properties of compounds. Which of the following types of bonds will have a high electrical conductivity?
polar covalent bond
ionic bond
covalent bond
non-polar covalent bond
30s - Q10
The following compounds are commonly found in nature or in our household. Which do you think will have the highest melting/boiling point if we are to subject those substances to heating?
dihydrogen monoxide (water)
sucrose(sugar)
sodium chloride (NaCl)
oxygen gas
30s - Q11
What happens to the electron of a metal element in ionic bonding forming a compound?
shared to a non-metal
shared unequally with non-metal
none of the choices
transferred to non-metal
30s - Q12
Which best describes the position of the elements in the Periodic Table and its valence electrons?
All metalloids have the same valence electrons
Elements on the same period have the same valence electrons
Noble Gases elements have seven valence electrons
Elements on the same family have the same valence electrons
30s - Q13
Which best describes an anion?
It has more electrons than protons.
It has more neutrons than protons.
It has a neutral charge.
It has more protons than electrons.
30s - Q14
How many electrons does a Fluorine ion need for it to be stable?
4
1
3
2
30s - Q15
What ion can be combined with oxygen ions to form an ionic compound?
Calcium ion
Chlorine ion
Carbon ion
Fluorine ion
30s
