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