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