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