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