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