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