SGC-Chem Test 2 SP2
A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of protons only
A) + B) - C) 0
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) breaking a pencil B) cooking eggs C) burning wood D) digesting food
A) Alphabetical Order B) Atomic Mass C) Discovery Date D) Atomic Number
A) Protons B) Neutrons C) Protons and Neutrons D) Valence Electrons
A) color B) shape C) pH D) density
A) eight neutrons in its nucleus. B) a total of eight neutrons and electrons. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) neutrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are usually gases.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They are extremely rare in nature.
A) are nonreactive B) exist in all three states of matter in normal conditions C) are all metals D) have only 1 valence electron
A) On the left-most side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the right side.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Alkaline Earth B) Halogens C) Alkaline Metals D) Noble Gases
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) 5 B) 2 C) 4 D) 3
A) nonmetals B) metals C) metalloids
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) nucleus B) protons C) electrons D) neutrons
A) flammability B) color C) reactivity D) pH
A) density B) texture C) shape D) pH
A) breaking B) burning C) crushing D) adding dye
A) precipitate forming B) burning C) breaking D) rusting
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) cn only be observed by changing the substance B) only can be observed in a few elements C) vary within the same element D) can be observes with the senses
A) chemical B) physical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) second B) liters C) meters D) kelvin
A) meters B) grams C) kilograms D) hours
A) both accurate and precise B) nethier accurate or precise C) precise D) accurate
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) independent B) constant C) dependent D) control
A) strawberries B) fertilizer C) length of study D) growth
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) constant B) independent C) control D) dependent
A) beaker B) graduated cylinder C) stirring rod D) tongs
A) 13 B) 16 C) 0 D) 10
A) 18 B) 19 C) 35 D) 17
A) 14 B) 10 C) 26 D) 12
A) 8 B) 18 C) 2 D) 10
A) 115 amu B) 57 amu C) 0.57 amu D) 5.7 amu
A) 2 B) 3 C) 1 D) 4
A) 2 mol B) 89.6 mol C) 0.5 mol D) 67.2 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Democritus B) Thomson C) Chadwick D) Rutherford
A) Shrodinger and Heisenburg B) Rutherford C) Thomson D) Bohr 
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Rutherford B) Chadwick C) Dalton D) Bohr
A) Electron number never changes. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) negative charge B) positive charge C) smaller mass D) larger mass
A) electrons B) positrons C) neutrons D) protons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 16g B) 17.5g C) 10.7g D) 0.094g |
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