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