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