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) - C) 0
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) breaking a pencil B) digesting food C) burning wood D) cooking eggs
A) Atomic Mass B) Discovery Date C) Atomic Number D) Alphabetical Order
A) Neutrons B) Protons C) Protons and Neutrons D) Valence Electrons
A) pH B) shape C) color D) density
A) eight neutrons in its nucleus. B) a total of eight neutrons and electrons. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons. B) protons plus the number of neutrons. C) protons plus the number of electrons. D) neutrons.
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) They are highly reactive with both metals and nonmetals. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are extremely rare in nature.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) On the right side. B) On the left-most side. C) In the middle column of the periodic table. D) In the bottom rows.
A) location; ionization B) number; mass C) mass;number D) color; smell
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Alkaline Earth B) Noble Gases C) Alkali Metals D) Halogens
A) Noble Gases B) Halogens C) Akali D) Alkaline Earth
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 3 B) 4 C) 5 D) 2
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Einstein C) Mosely D) Mendleev
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic Mass D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) nucleus B) electrons C) protons D) neutrons
A) color B) reactivity C) flammability D) pH
A) breaking B) crushing C) adding dye D) burning
A) can only be observed by changing the substance B) can be observed with senses C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) cn only be observed by changing the substance C) can be observes with the senses D) vary within the same element
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) hours B) meters C) kilograms D) grams
A) both accurate and precise B) nethier accurate or precise C) precise D) accurate
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) independent B) control C) dependent D) constant
A) length of study B) growth C) fertilizer D) strawberries
A) constant B) independent C) dependent D) control
A) beaker B) tongs C) graduated cylinder D) stirring rod
A) 16 B) 13 C) 0 D) 10
A) 35 B) 19 C) 18 D) 17
A) 10 B) 14 C) 26 D) 12
A) 10 B) 2 C) 18 D) 8
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 3 B) 4 C) 2 D) 1
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Bohr B) Thomson C) Shrodinger and Heisenburg D) Rutherford
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) Chadwick C) Dalton D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) positive charge B) larger mass C) smaller mass D) negative charge
A) electrons B) protons C) neutrons D) positrons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 0.094g B) 10.7g C) 17.5g D) 24g |