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